222 Answered Questions for the topic Proportions

01/04/17

Proportions snack mix

A recipe for snack mix calls for 3/8 ounce almonds to make two servings. How many ounces of almonds do you need to make 25 servings?

01/04/17

if someone weighs 110 lbs and creates 660 lbs of force when jumping then how many lbs of force will be created when someone who weighs 160 lbs jumps?

I really need to know this...... we are doing it in a 7th grade class setting and I need to know what this means cause I am confused on how to do it for my homework that is due tomorrow!!!! Please... more

12/22/16

How to divide certain amount proportionately to unequal numbers

If I have $ 2000 which I need to divide 5 employees of different rank, how should I do that?  

12/15/16

Confidence Intervals

In a Harris Poll of 412 HR professionals, 85.3% said that the job applicants appearance is most important for a good impression. Construct a 94% Confidence Interval for the True population... more

12/06/16

Explain proportion

Explain why a and a+b can never form a proportion.                   b          b

11/27/16

A paper shredder can shred 60 sheets of paper in 3 minutes. How many minutes will it take the paper shredder to shred 75 sheets of paper?

Paper shredder can shred 60 sheets of paper in 3 minutes?

10/28/16

What's the minimum number of crop dusters needed to complete the job in 5 hours?

Each crop duster who works for Gary's can dust half an acre of crops in 25 minutes. The company must dust 8 0.75-acre lots and 12 1.5-acre lots to complete a certain job. What's the minimum number... more

10/18/16

Use a proportion to find the area of circle P. Circle P has a Circumernce of 24 cm, Circle H has a circumference of 30cm.

Circle H has a area of 71.66cm2.  The answer in the book is 45.8624cm2.     Just not sure how to get there.

10/15/16

a 8.4ft tall baby giraffe casts a 48.7 ft long shadow, then how long is the shadow that a 16.2 ft tall statue casts? Set up a proportion to solve this problem.

a 8.4ft tall baby giraffe casts a 48.7 ft long shadow, then how long is the shadow that a 16.2 ft tall statue casts? Set up a proportion to solve this problem.

10/07/16

39 percent of portfolio rose 5.8% and 61 percent of portfolio rose 3.8%. What is average percent rise?

I'm trying to figure the average gain in two stock funds. The proportion of each fund is as stated. As are the returns for both. 

09/21/16

proportion

Nuala drives to her grandma’s. She drives at 20 miles per hour . The journey takes 50 minutes. How long would the journey take if if Nuala drove at 40 miles per hour?

09/19/16

Sarah worked 10 more hours than Josh. If Sarah worked 7 hr for every 2 hr Josh worked, how long did they each work?

Round your answer to the nearest tenth. Rounddollar amounts to the nearest cent   please show steps thank you 

09/01/16

Unit rate to write an equation

A car can travel 476 miles on 14 gallons of gas.  Write an equation relating the distance d to the number of gallons g. How many gallons of gas does this car need to travel 578 miles. 

07/22/16

Two triangles are similar in proportion. One triangle has sides of 3, 4, and 5 inches the other triangle has sides of x, 10 and y. Solve for x.

This is supposed to be a proportion problem.  Wasn't sure how to set up.

06/07/16

Percents and proportions

Mrs. Miller sells a house for $179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion.    I do not know how to write a proportion, can somebody please show me... more

06/03/16

Not sure how to do this. Have tried multiple times

A patient is to receive Amoxil 250mg po every 8 hours. Amoxil is avaliable in a 150mL bottle with a concntration of 250mg/5mL. This bottle will provide how many doses and will last how many days?

05/21/16

Arithmetic and Composition

The cost to manufacture a product is proportional to the quantity produced, with a cost of $200000 dollars per day when 800 items are produced. The cost to store n items is proportional to the... more

04/11/16

a poll of 1600 voters in one district showed that 63% of them would favor stricture gun control laws.

Find the margin of error for the 95% confidence interval for the study.

04/11/16

help with question

A person claims to be able to predict the outcome of flipping a coin. This person is correct 16/25 times. Compute the 95% confidence interval on the proportion of times this person can predict coin... more

03/15/16

after flying at an altitude of 500 meters, a helicopter starts to descend

after flying at an altitude of 500 meters, a helicopter starts to descend when its ground distance from landing pad is 11 kilometers. What is the angle of depression for this part of the flight?
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