# Rates Mathematics

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## Rates Mathematics Video Lessons(4 video lessons)

Watch simple explanations of Rates Mathematics and related concepts.

## Rates Mathematics Questions and Answers(1,698 questions and answers)

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Can an average rate of change be negative?
A dry cleaner charges 7.5 dollars for three shirts and 12.5 dollars for five shirts. What should you expect the dry cleaner to charge for six shirts?
The revenue (in thousands of dollars) from producing x units of an item is modeled by R(x) = 11x - 0.01x^{2}. Find the average rate of change in revenue as x changes from 1003 to 1007.
David purchased some cookies at the cost of 5 for \$4 and sold them at 4 for \$5. David made a profit of \$90 in total. How many cookies did David purchase and sell to make that much money?
A 5-pound bag of potatoes costs \$3.80. How much do the potatoes cost per pound?
How do you find the unit rate of a ratio?
How do you do unit rates in math?
Ebony read 6 and 3/4 pages of a book in 9 minutes, what is her average reading rate in pages per minute?
Find the average rate of change of g ( x ) = 4 x 3 + 2 from x = 2 to x = 1 .
What is the average rate of change of the function f(x)=x^{2}-2x+16 between x=7 and x=11?

## Rates Mathematics Quizzes(7 quizzes)

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Unit Rate: Quiz & Worksheet for Kids
Modeling the Rate of Change
Constant & Varying Rates of Change
Average & Instantaneous Rates of Change
Average Rate of Change of a Function
Finding the Unit Rate
Average Rate of Change

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