Sol Proportions

Hidden Treasure Island is about 12 miles long. Audree has a map of the island. On the map, 1 inch is used to represent a real length of 1/2 mile. What is the length of the island on Audree's map?

• 6 miles

• 24 inches

• 6 inches

• 24 miles

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Which pair of ratios forms a proportion?

At the local golf course, Greg has 8 of 25 best scores ever recorded. What percent of the best scores does Greg have?

Solve for x 

Mathematical Equivalence

ON

Solve for x 

• x = 1/10

• x = 10

• x = 4

• x = 5

Solve the proportion.

• 10.8

• 7.5

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

A map has a scale of 2 cm = 25 km. Two cities are 15 centimeters apart on the map. What is the actual distance between the cities?

• 2 km

• 30 km

• 40 km

• 187.5 km

Of the 50 fish John caught from the lake, 14 were trout.  The estimated population of the lake is 7,500.  About how many trout would you expect to be in the lake?

• 2,100 trout

• 2,000 trout

• 2,200 trout

• 2,300 trout