Ratio and proportion

Share £80 in the ratio 3:2:5

• £24 : £16 : £40
• £16 : £24 : £40
• £40 : £24 : £16
• £40 : £16 £24

Solve for x 

• x = 15
• x = 11
• x = 1/11
• x = 20

what is the second step to solving a ratio problem

• multiply

• Set up the proportion.

• make sure the numbers are even

• add

21. Optimus Prime is using a double number line to determine the amount of raisins he will use for a raisin bread recipe.

If he uses 9 cups of raisins, how many loaves will he make?

• 4

• 5

• 6

• 7

Sometimes you must use ratio reasoning for ______________to determine that two ratios are equivalent. Fill in the blank?

• Ratio

• Equivalent Ratio

• Converting measurements

• Pi

Complete the ratio table.

• 6

• 8

• 9

• 5

The wood is to be cut into two parts, the ratio is 3:4. If the wood has the length of 210 m. Find the length of the smaller part.

• 90 m

• 100 m

• 110 m

• 120 m

Share 30 in the ratio 2:1

• 2:28

• 20:1

• 20:10

• 10:20

A mixture of orange paint contains 3 teaspoons of red paint and 7 teaspoons of yellow paint. To make the same shade of orange paint using 35 teaspoons of yellow paint, how much red paint would you need? Hint: Draw a double number line diagram to help if needed.

• 12 teaspoons

• 15 teaspoons

• 18 teaspoons

• 26 teaspoons

At a local animal shelter, the ratio of dog hairs to cat hairs is 4 to 9. Complete the table below.

• 25 & 20

• 27 & 28

• 36 & 32

• 24 & 36