Percents & Proportional

Ryan went on a weekend hike in the mountains.

What is his constant of proportionality in miles per hour (mph)? k = ?

• 4 mph

• 2 mph

• 1/2 mph

• 8 mph

Draw a line through the points. Why does this line show a proportional relationship?

• It is not curved.

• It is a vertical line.

• It connects all the dots.

• It goes through the origin.

Find the percent decrease from 82 miles to 45 miles rounded to the nearest whole number.

• 82%

• 45%

• 56%

• 33%

The ratio of red Air Jordans to black Air Jordans at the local Foot Locker is 4:3.

There are 52 pairs of red Air Jordans in stock. How many pairs of black Air Jordans does Foot Locker have in stock?

• 27

• 32

• 36

• 39

Luna is making a bean salad. The recipe calls for 4 parts green beans to 3 parts yellow wax beans. Luna would like to make 56 ounces of bean salad. Based on this ratio, Luna will need ​ (a)   ounces of green beans and ​ (b)   ounces of yellow wax beans.

• 32

• 8

• 16

• 24

• 40

a quantity out of 100

• rate

• ratio

• box and tail

• percent

a comparison of two measurements with a denominator of 1.

• ratio

• rate

• unit rate

• unit factor

two equal ratios

• rate

• proportion

• percent

• ratio

the ratio of two corresponding sides in a set of similar figures

• fraction

• scale factor

• rate

• unit cost

Last year, 2,376 people attended a summer music festival. This year, attendance was 2,950. What was the percent of change in attendance to the nearest whole percent?

• Increase 24%

• Increase 19%

• Decrease 24%

• Decrease 19%