Proportions, Proportions, Proportions

Last week, Ida bought 8 cartons of raspberries for $7. How many cartons of raspberries can Ida buy this week if she has $21?

• 24 cartons

• 2.67 cartons

• 20 cartons

• 19 cartons

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Which ratio below is proportional to the ratio  5/6?

• 6/5

• 50/75

• 25/30

• 12/10

Solve the proportion:

• 3

• 4

• 9

• 6

Cross Multiply/Cross Products

• 15

• 420

• 28

• 16

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Use the table to write a proportion.

• 2.08/16=d/8

• 8/d=16/2.08

• 2.08/16=8/d

• 2.08/8=d/16

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100