5-1, 5-2 Applying Ratios

A cashier sells 7 DVDs for every 3 CDs. How many CDs does the cashier sell if she sold 35 DVDs?

___ CDs

Ann's family drove 165 miles in 3 hours. At this speed, how long would it take them to drive 825 miles?

___ hours

Jeremy made 4 out of every 5 free throws he attempted last season. If he had 35 attempts during the season, how many did he make?

___ made

There are 4 adult chaperones for every 15 students who attend a school field trip. How many adults are there if 135 students went on the field trip?

___ adults

The ratio of adult dogs to puppies at a park on Monday was 3:2. There were 12 puppies there that day. Tuesday 15 adult dogs were at the park. How many adult dogs were at the park on Monday?

____ adult dogs Monday

The ratio of adult dogs to puppies at a park on Monday was 3:2. There were 12 puppies there that day. Tuesday 15 adult dogs were at the park. What is the difference between the number of adult dogs at the park on Monday and Tuesday?

*Choose All correct answers*

• 3 more adults dogs Monday

• 3 more adults dogs Tuesday

• 3 less adults dogs Monday

• 3 less adults dogs Tuesday

Your respiration rate measures the number of breaths you take per minute. Reggie counted 48 breaths in 3 minutes and Joan counted 34 breaths in 2 minutes. Convert each rate to a unit rate.

• Reggie 17 breaths per minute

  Joan 16 breaths per minute

• Reggie 16 breaths per minute

  Joan 17 breaths per minute

• Reggie 24 breaths per minute

  Joan 17 breaths per minute

• Reggie 16 breaths per minute

  Joan 11 breaths per minute

Your respiration rate measures the number of breaths you take per minute. Reggie counted 48 breaths in 3 minutes and Joan counted 34 breaths in 2 minutes. Who has the higher respiration rate and by how much?

• Reggie by 1 breath per minute

• Reggie by 2 breaths per minute

• Joan by 1 breath per minute

• Joan by 2 breaths per minute

Of the students taking a foreign language class, 8 students take Spanish for every 5 students that take French. If there are 72 students taking Spanish how many students are taking French?

• 40

• 45

• 54

• 63

Chen can ride his bike 3 miles in 15 minutes. At this rate, how long will it take him to ride 18 miles?

____ minutes