Proportions & Solving for Unknowns: Grade 7 Challenge

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to use 6 cups of sugar, how many cups of flour do you need?

• 5 cups of flour

• 4 cups of flour

• 2 cups of flour

• 3 cups of flour

In a class of 30 students, 12 are girls. If the school has 240 students, how many girls are there in the school?

• 48

• 96

• 120

• 72

A car travels 150 miles on 5 gallons of gas. How many gallons of gas would it need to travel 300 miles?

• 5 gallons

• 20 gallons

• 15 gallons

• 10 gallons

A survey shows that 4 out of 10 people prefer chocolate ice cream. If 200 people are surveyed, how many prefer chocolate ice cream?

• 40

• 80

• 60

• 100

A map shows that 1 inch represents 20 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?

• 60 miles

• 100 miles

• 80 miles

• 40 miles

In a school, the ratio of teachers to students is 1:15. If there are 120 students, how many teachers are there?

• 12

• 5

• 10

• 8

A recipe requires 3 eggs for every 2 cups of milk. If you have 12 eggs, how many cups of milk can you use?

• 4 cups of milk

• 8 cups of milk

• 10 cups of milk

• 6 cups of milk

If 5 out of 8 students passed a math test, how many students passed if there are 32 students in total?

• 20

• 10

• 25

• 15

A fruit stand sells 5 apples for $3. How much would 15 apples cost?

• $9.00

• $6.00

• $15.00

• $12.00

In a survey, 7 out of 12 people said they like to read. If 60 people were surveyed, how many said they like to read?

• 25

• 40

• 50

• 35