Unit 3 Prep

There are 12 bananas in a bowl. 3 of them are ripe.

What percentage of the bananas are ripe?

• 3%

• 1/4

• 75%

• 25%

Elena and Jada are 12 miles apart on a path when they start moving toward each other. Elena runs at a constant speed of 5 miles per hour, and Jada walks at a constant speed of 3 miles per hour.

How long does it take until Elena and Jada meet?  

• 3 hours

• 1.5 hours

• 5 hours

• 12 hours

To change a percentage to a decimal, you should:

• Multiply by 100

• Divide by 100

Noah and Andre are 15 miles apart on a bike path when they start biking toward each other. Noah rides at a constant speed of 4 miles per hour, and Andre rides at a constant speed of 2 miles per hour.

How long does it take until Noah and Andre meet?  

• 4 hours

• 2 hours

• 6.5 hours

• 2.5 hours

Select all the trips that would take 3 hours

• Drive 30 miles per hour between New York City and Boston, which are 90 miles apart

• Walk 2 miles per hour to the park that is 6 miles away

• Run 8 miles per hour in a race 32 miles long

Matt's family has completed 40% of a trip. They have traveled 60 miles.

How far is the trip?

• 120 miles

• 150 miles

• 40 miles

• 320 miles

Angela runs 4 laps around a track in 5 minutes.

How many minutes per lap is that?

• 120%

• 4/5

• 80%

• 5/4

To change a decimal to a percentage, you should:

• Multiply by 100

• Divide by 100

A truck driver is mapping a trip and wants to know the distance the truck will travel over certain time intervals.

Assuming that the ship travels at a constant speed, what is its speed? 

• 37.5 mph

• 50 mph

• 12.5 mph

• 25 mph

Which weighs more: a baby that weighs 6.5 kilograms or a watermelon that weighs 11 pounds? 

(Note: 1 pound is about 0.45 kilograms.)

• baby

• watermelon