Proportions Test.A2

Front

What is the constant of proportionality in the equation y = 12.50x?

Back

12.50

Front

If I paid $15.00 for 6 gallons of gasoline, what is the price per gallon?

Back

$2.50 per gallon

Front

If Ernie travels 195 miles in 3 hours, how far will he travel in 5 hours?

Back

325 miles

Front

How many bird houses can I paint with one can of paint if I can paint 3 houses?

Back

3

Front

If Shawn earns $123.00 for 20 hours of work, how much will he earn for 31 hours?

Back

$190.65

Front

What is a proportion?

Back

A statement that two ratios are equal.

Front

How do you find the unit rate from a ratio?

Back

Divide the first quantity by the second quantity.

Front

What does it mean if two quantities are directly proportional?

Back

As one quantity increases, the other quantity increases at a constant rate.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant, y is the dependent variable, and x is the independent variable.

Front

If a recipe calls for 2 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

5 cups of flour.