80 Answered Questions for the topic Rates

Rates Prealgebra

01/07/16

Rudolph takes 12 minutes to run 6 times around a 400m track how long does it take to run 1 kilometer

Rudolph takes 12 minutes to run 6 times around a 400m track how long does it take to run 1 kilometer 
Rates

11/22/15

Bill can type 171 words in 3 minutes.If he continues to type at the same rate,how many words would he type in 9 minutes?

This problem should be written as a fraction with using proper labels.
Rates

10/29/15

Monday John studied 1/2Hr, on Tuesday 3/4Hr, and Thursday 2Hr. What is johns average study time per day?

Monday John studied 1/2Hr, on Tuesday 3/4Hr, and Thursday 2Hr. What is johns average study time per day?
Rates

10/28/15

A total of $54,000 were deposited in three accounts

A total of $54,000 were deposited in three accounts. The first account grew by 4.5%, the second by 7%, the third by 15%. Total earnings were $4,275.00. The earning from the third account were $75... more

10/18/15

Calculus help for related helps please!!! :)

A lighthouse is stationed at a point P some distance away from the nearest point Q on a straight shoreline. It's light is making 3 revolutions per minute. It is found that the beam of light is... more
Rates Iates

10/06/15

Cycling y=1/9

10. Cycling The equation y = 1/9 x represents the distance y, in kilometers, that 9 Patrick traveled in x minutes while training for the cycling portion of a triathlon. The table shows the distance... more

09/28/15

Please Help! Stuck on a word problem

If the balance, M, at time t in years, of a bank account that compounds its interest payments monthly is given by M = M0(1.07763)t (a) What is the effective annual rate for this account? (b) What... more

09/27/15

unit rate word problem help

bill's computer can download 24 songs in 3 minutes. How many songs would he be able to download in 12 minutes?

09/27/15

unit rate word problem

if you can make 18 bracelets in 3 hours, how many hours will it take you to make bracelets for 60 of your friends?

09/27/15

unit rate help

Kroger has cookies on sale 9 for $3.60 Unit rate =___________ 
Rates

09/15/15

Isolated variables

Rewrite the proportions to isolate the variable.          57(2000)=c(100) (57)(2000) __________  =c    100.         How is the variable isolated?
Rates

08/26/15

A supermarket sells 20 oranges for $1.30 how much will just cost at the same rate

i don't understand how to solve this. Can you show me step by step how to solve this problem. 
Rates Math

07/28/15

Which of the following functions describes the cost, in dollars, of a phone call between these two cities that lasts for N minutes, if N is a positive integer?

The whole question: The rate for a telephone call between City A and City B is 50 cents for the first minute and 30 cents for each additional minute or portion thereof. Which of the following... more

05/12/15

The seventh grade has 165 students divided into groups of 8, how many complete groups will there be? How many students will be in the incomplete group?

There are 3 answers: A)Written division expression you used to solve the question. B)Give the integer division answer. C) Answer the question

04/16/15

Lorenzo rides his bike at a rate of 2.2 meters per second. About how many miles per hour can Lorenzo ride his bike?

 In the chapter Convert Measurements lesson Convert Rates.
Rates Ratios

04/13/15

Bob drove 355 miles using 17 gallons of gas. At this rate, how many gallons of gas would he need to drive 284 miles?

Help in hurry ASAP!!!!!!!??????????????????
Rates

02/27/15

If you invest $1,000 at a rate 5% for 5 years, how much money will you have in 5 years? Show work

If you invest $1,000 at a rate 5% for 5 years, how much money will you have in 5 years? Show work.   A $1,250 B $ 1,276 C.$ 1,050 d. $ 1,284 e. none

Rate of Change

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing... more

02/26/15

Change of Rate

A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.4 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 16 cm. (Note the... more
Rates

02/07/15

a go kart top speed is 607,200 feet per hour. what is the speed in miles per hour

step by step

Related Rates

A lighthouse is located on a small island 3km away from the nearest point P on a straight shoreline and its light makes four revolutions per minute.   How fast is the beam of light moving along... more

What is the mass for each type?

One type of granola is 30% fruit and another type is 15% fruit. What mass of each type of granola should be mixed to make 600g of granola that is 21% fruit?

01/20/15

How much did he invest at each rate?

Zach invested at a term deposit that paid 4% interest per annum and in a municipal bond that paid 6% interested per annum. If he invested a total of $13,000 and earned $700 interested in a year,... more
Rates

01/17/15

Rate PRoblems

Consider a local community of a prairie dogs in South Dakota that are increasing at a rate of 13% per month. Using the Rule of 70, answer the following: What is the approximate number of months in... more
Rates

01/08/15

You create 15 centerpieces for a party in 5 hours. What is the unit rate? How long will it take you to make 42 centerpieces?

You create 15 centerpieces for a party in 5 hours. What is the unit rate? How long will it take you to make 42 centerpieces?                   Rhdsg  

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