Ratios and Proportions Review

Front

Two ratios are proportional if their ______ ________ are equal.

Back

Cross products

Front

Back

Front

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 1,200 people are in line?

Back

160 min

Front

You need 3 tickets for one go-kart ride. How many tickets do you need for 10 rides?

Back

30

Front

Determine whether each pair of ratios forms a proportion: 2:3 and 4:6

Back

Proportion

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the cross products of two ratios?

Back

Multiply the numerator of the first ratio by the denominator of the second ratio and vice versa.

Front

If 5 apples cost $2, how much do 20 apples cost?

Back

$8

Front

What is the unit rate of 60 miles in 3 hours?

Back

20 miles per hour.