Scale With Proportions

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Which line shows a proportional relationship between x and y?

• Line L

• Line M

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

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

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay?

• $30

• $20

• $60

• $10