Ratios Rates and Proportions

Determine whether the ratios are equivalent.

$72 for every 8 people,

$18 for every 2 people

• Yes

• No

Determine whether the ratios form a proportion.

27 trucks to 12 jeeps,

44 trucks to 16 jeeps

• Yes

• No

Determine whether the ratios form a proportion.

8 feet in 15 seconds,

16 feet in 40 seconds

• Yes

• No

• 6

• 7

• 4

• 5

• 12

• 7

• 9

• 6

You go to the grocery store to buy dog food. The store has three sizes available: an 8-lb bag for $9.88 a 20-lb bag for $23.44 a 40-lb bag for $49.00 Which size bag has the highest cost per pound rounded to the nearest cent?

• They are all the same

• The 20-lb bag

• The 40-lb bag

• The 8-lb bag

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve the proportion.

• n=6

• n=24

• n=7

• n=8

Solve the proportion:

• 4

• 8

• 14

• 10

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

• 9/20

• 20/9

• 9.20

• 20.9