170 Answered Questions for the topic Ratios And Proportions

Ratios And Proportions

07/05/15

applications

Anthony set up a charity fund to support needy children. for every $5 collected by the charity the government donated an additional grant of $1.50. at the end of three months, if the charity fund... more
Ratios And Proportions

07/05/15

please help me

Bob, Rob and Chuck invest $13000,$22,000 and $18,000 respectively to build a yacht, after the yacht was built, Bob decided to sell his share of the investment to Rob and Chuck. how much would Rob... more
Ratios And Proportions

07/05/15

urgent help

Two companies share an office building, and have an agreement to share the bill, in the ratio 40;60, if the bill is $360 for a month, how much should each company pay
Ratios And Proportions

07/05/15

please help

Three friends, Andrew, Baxter and Cathy, A,B,C, joinly insured a commercial property  in the ratio of 12;8;5 repectively. how will an annual premium 0f $8000 be distributed among the three of them?
Ratios And Proportions

07/05/15

I cant figure this out

Rodney, a hardware engineer, wants to install a componet that is 38.2mm in length into his laptop, the length of the installation space provided in his laptop is 4.8cm. calculate the ratio of the... more
Ratios And Proportions Algebra 1 Algebra 2 Proportions

07/04/15

Algebra Question

  0854     Only tenth,eleventh,and twelfth grade students attend Washington High School. The ratio of tenth graders to the school's total student population is 86:255 and the ration of eleventh... more
Ratios And Proportions

07/04/15

Ratios and appilcation

Noah who lives in Vancouver, purchased a piece of equipment from Australia for A$ 535,280. he was charged 10% duty, 7%PST to import it, calculate the total cost of the equipment, assume the... more
Ratios And Proportions

07/04/15

urgent help needed

Bernie, a senior sales representative, at a multinational company, travelled from Canada to japan, via the UK, He left Canada with C$ 8000, when he reached the UK, he converted all his cash to... more
Ratios And Proportions

07/04/15

please help

Jo-ann's mother sent her $50,000 as a graduation gift, and she wanted to conver the $ into canadian dollars, if the bank was charging .90% commission. caluclate how many canadian dollars, she would... more
Ratios And Proportions Maths

06/20/15

if 32 students in a class are females and the ratio of female to male students is 16:9 ,then what percentage of the class is female ?

the options are  : 32% 36% 56.25% 72%   okay, so i thought this one is easy and tried it :     let  x be total students .   if 32 are females then males would be (x-32),    and using... more
Ratios And Proportions

05/18/15

John needs to make 1 liter of orange paint

If John mixed 3/4 liter of yellow paint with 1-1/4 liter of red paint to make 2 liters of Orange Paint, How much yellow would he need if he mixes 1 liter of red paint to make a new batch of orange... more
Ratios And Proportions

05/08/15

If the total cost of x apples is b cents, what is a general formula for the cost, in cents, of y apples ?

ratios and proportions 

04/13/15

Ratios of numbers, algebra one

This is a word problem that states: "The ratio of two numbers is 3:4. Their sum is to the sum of their squares as 7 is to 50. Find the numbers. (Hint: The sum of their squares would be (3x)^2 +... more
Ratios And Proportions

03/26/15

8.5 is 10% of what number

I don't know what to write here so sorry
Ratios And Proportions

03/26/15

ratio and proportions

the question is it takes Kristi 15 minutes to run 2 1/2 laps. It take maria her friends to fun 3 1/2 minutes to run 1/2 of a lap. Explain which girl runs the fastest lap and how you can tell.
Ratios And Proportions

03/15/15

The ratio of baboons to chimpanzees is 4 to 5 how many chimpanzees were there if there were 20 baboons?

Ratio of baboons to chimpanzees was 4 to 5. Trying to find out how many chimpanzees were there if there were 20 baboons 
Ratios And Proportions

03/11/15

A horse eats 12 pounds of hay in 3 days. How many pounds would you expect this horse to eat in 4 days?

 I just need to know how to set this up. We are required to do it in two ways: a table and a proportion.
Ratios And Proportions

03/02/15

y have $500 american dollars. if 269 Mexican pesos is equivalent to $25 united states dollars, how much money will you get when you exchange your $500 for pesos

Its in geometry and I need help to set up the function
Ratios And Proportions Math Word Problem Solutions

02/17/15

How much of each solution should be used if 21 gallons of 4% solution are needed?

A mixture of 4% disinfectant solution is to be made from 5% and 2% disinfectant solutions. How much of each solution should be used if 21 gallons of 4% solution are needed?
Ratios And Proportions

02/03/15

8 men can build a chalet in 18 days.

working at the same rate how long would it take, a) 12 men b) 5 men c) how many men would be needed to build it in 3 days
Ratios And Proportions

02/03/15

A wall took 6 hours for 4 men to build.

At the same rate, a) how long would it have taken 10 men? b) how many men would have been needed to build it in 12 hours? 
Ratios And Proportions

02/02/15

The number of adults to kids was 15: 7 and the number of boys to girls was 2:5. If there were 1100 people at the game, how many girls were there?

Question is trying to find how many girls are at a basketball game. 
Ratios And Proportions

01/28/15

A model car is made to a scale of 2 to 25. If the model is 15 inches long how long is the actual car

I am working on proportions and ratios for seventh grade math. Im really confused by this question. I'm really looking for some help.

converting units

okay if Lydis writes 4 and a half pages of her science report in one hour What was her writing rate in pages per minute 
Ratios And Proportions

12/28/14

rj's motorcycle can travel 301.5 miles on 4.5 gallons of gasoline. how many miles can rj travel before the tank is empty?

rj's motorcycle can travel 301.5 miles on 4.5 gallons of gasoline. how many miles can rj travel before the tank is empty?

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