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

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

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

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

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

02/27/15

02/26/15

#### 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

01/31/15

#### 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

01/22/15

#### 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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