579 Answered Questions for the topic Percentage

Percentage

02/28/14

A patient injury and reduced survival rate as time increases.
If a patient does not receive treatment for a certain injury within 2 hours after the injury, the patient's chance of survival starts decreasing by 15% for each hour.  If no treatment has been... more
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Percentage

02/28/14

Percentage of heart attack survivors who use a difibrillator
A person who has a heart attack can be saved 90% of the time is a defibrillator is used within 5 minutes of the heart attack.  Of the people that have heart attacks, defibrillators are within the... more
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Percentage

02/28/14

Success rate for a new hypothetical cancer treatment drug.
A new cancer treatment provides 50% success rate for patients with lung tumors. Lung tumors make up 10% of all cancer patients. What percentage of all cancer patients will this new drug work on?
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Percentage

02/25/14

mean score of 80 & standard deviation of 5
The scores on a math test were normally distributed with a mean sore of 80 and a standard deviation of 5. What percent of the students scored less than 69?
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Percentage

02/11/14

annual risk
The annual risk free rate of return is 9 percent and the investor believes that th market will rise annually at 15 percent.  If a stock has a beta coefficient of 1.5 and its current dividend is $1,... more
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Percentage Word Problem

01/26/14

percent savings problem
Your tires needs new tires, and the dealer will install them for $785. Since you booked in advance, they took 10% off at the time of booking. You then found a coupon in the paper that will take 5%... more
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Percentage

01/08/14

What is the percentage of 1740 from 3475
I need to know the percentage 1740 from 3745
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Percentage Money Percent Converting

01/03/14

Calculating percentage and converting? Too long, so I put it in the description :)
Jenna sells Lemonade for $10 per glass. She offers a 20% discount. The price is recalculated then she offers an additional 10% discount. Aidan wants to match her deal by offering a single discount... more
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Percentage Word Problem

12/13/13

heidi left a 12% tip of 5.04 on a meal. what was the cost of the meal before the tip? what was the total cost of the meal including the tip?
I need help with this word problem  
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Percentage

12/04/13

in the problem what percent of 20 is 30 how do you get the 1.5
I am studying for my ged and I just don't get this stuff.
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Percentage

12/03/13

what is the independent variable and what does it mean? what is the dependent variable and what does it mean?
art supply store is having inventory sales. All items are marked down by 25 percent. Michael plans to buy three sets of oil paints and two paint brushes. He calculates the sale price of each item... more
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Percentage

10/22/13

how do i find percentage? of aan account?
if you owe 564.60 and the percentage is 26.99 how much interest do I owe? if I pay the loan in three months
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Percentage

03/14/13

percentage problem
Sam and Sylvia work at a bookstore. Sam sold 15% more books than Sylvia.  If Sam sold 69 books how many did Sylvia sell?
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Percentage Word Problem

03/12/13

What quantity of 70 per cent acid solution must be mixed with a 25 per cent solution to produce 432 mL of a 50 per cent solution?
What quantity of 70 per cent acid solution must be mixed with a 25 per cent solution to produce 432 mL of a 50 per cent solution?
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Percentage Algebra

02/15/13

Need to solve this problem: "How many liters of 12% acid solution must be mixed with 5 liters of a 20% acid solution to give a 14% solution?"
The answer is 15, but I don't know how to get to that answer.
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Percentage Word Problem

01/16/13

A solution of 68% alcohol is to be mixed with a solution of 22% alcohol to form 460 liters of a 61% solution. How many liters of the 68% solution must be used?
would it be A. 413 Liters   B. 380 liters   c. 390 liters  D. 166 liters
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Percentage Math

01/15/13

help me please
What quantity of 75 per cent acid solution must be mixed with a 30 per cent solution to produce 945 mL of a 50 per cent solution?
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Percentage Algebraic Equation

01/14/13

equation for variable of which constant is percentage thereof
algebraic equation for constant number that is a percentage or fraction of variable number and steps to solve
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Percentage

01/06/13

What number is 35% of 54
Whats the answer?
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Percentage Math

01/04/13

math help please
A candy distributor needs to mix a 20% fat-content chocolate with a 40% fat-content chocolate to create 200 kilograms of a 37% fat-content chocolate. How many kilograms of each kind of chocolate... more
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Percentage Math

01/03/13

72 is what percent of 480? Write and solve an equation to solve the problem.
I just need help with a question.
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Percentage Math

12/17/12

Can anyone help me on a few percent problems? (Math 8: Chapter 5 Review-Percent)
I  need help on these percent problems. 9) The following sign was on display at Hollister. ($70 $49) Determine the percent of change.  10) A sweater that regularly sells for $110 is on sale for... more
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Percentage

12/13/12

what is 5 and 2/5 as a percent
i would like ot know what is the percent of the fraction its written like this but it has te 2 and the diving sign under the 2 and then they have 5so its 5 is t he whole with the 2 and the 5... more
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Percentage Word Problems

12/11/12

Can anyone help me with these percentage of change/precentage problems?
Roberto farms a tract of land that typically yields 69.6 kilograms of peas. Afertilizer manufacturer claims that its fertilizer will produce a 60% increasein the yield. What total amount of pears... more
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12/11/12

Can you explain to me how to find the percent of change? And help me with this problem?
On Monday,my math class learned how to find the percent of change, and I was absent on Monday. And we did some problems in class today, and I still don't understand it. Can you help me to... more
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