Simple Proportion

On a map, the distance between two cities is 4.5 inches. Using a scale of 0.75 inches = 50 miles, what is the actual distance between the cities? (set up a proportion to solve)

• 300 miles

• 30 miles

• 168.75 miles

• 8.3 miles

How much is the unit rate if you can buy 9 tickets for $72? (unit rate: price divided by # of items)

• $6 per ticket

• $12 per ticket

• $8 per ticket

• $24 per ticket

A model building is 22 inches tall. The actual building is 34 feet tall. What is the scale factor? (need to change to same unit and then simplify)

• 1 : 0.647

• 1 : 18.54

• 1 : 12

• 1: 56

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

The ratio of boys to girls at a local sports club is 3 to 1. If there are 45 girls, how many boys are there? (can set up a proportion to solve)

• 15 boys

• 48 boys

• 42 boys

• 135 boys

You got 23 correct on a quiz that was out of 25 points. What percent did you get correct?

• 78%

• 76%

• 89%

• 92%

A garden has 10 tulips, 4 rose bushes and 6 sunflowers. What percent of the garden is tulips? 

• 10%

• 20%

• 100%

• 50%

There are 75 students in the school band.  45 students play woodwind instruments.  What percent of students play woodwinds?

• 35%

• 60%

• 55%

• 70%

Everyone at Ethan's school wore either brown or yellow for school spirit day. 74 out of the 100 students at the school wore brown. What percentage of the students wore brown?

• 26%

• 26

• 74

• 74%

A factory made 125 packs of gum. 32% of the packs contained mint-flavored gum. How many packs of mint gum did the factory make?

• 85 packs 

• 32 packs

• 40 packs 

• 40%