Rates Review Quizizz

Joey bought 6 comic books for $21. What was the cost per comic book?

• 0.35 $/Comic Book

• $0.29 per comic book

• $126 per comic book

• $3.50 per comic book

Answer explanation

21/6 = 3.5

3.5=3.50 because it is money

dont forget your units

Nikki bought a bouquet of 8 sunflowers for $18. What is the cost per sunflower?

• 2.25

• 0.225 $/sunflower

• $2.25 per sunflower

• 0.44 $/sunflower

Answer explanation

18/8 = 2.25

BUT...

You need units!  The best answer is $2.25 per sunflower

Sarah can read 50 pages in 40 minutes. How many pages can she read per minute?

• 1 page per minute

• 1.25 pages per minute

• 2000 pages

• 1.25 minute per page

Answer explanation

50/40 = 1.25

The units should be pages per minute.

Andy and Wyatt were running for soccer. Andy can run 5 miles in 55 minutes. Wyatt can run 7 miles in 91 minutes. Who can run at the faster?

• Andy because in 11 minutes he can run 1 mile

• Wyatt because in 11 minutes he can run 1 mile

• Wyatt because in 14 minutes he can run 1 mile

• Andy because in 13 minutes he can run 1 mile

Answer explanation

Andy = 11 min/mile

Wyatt = 13 min/mile

Andy is faster

At the market, 8 batteries cost $10. How much does 2 batteries cost?

• $2.50

• $1.25

• $80

• $20

Answer explanation

10/8 = 1.25

$1.25 per battery

$1.25 x 2 = $2.50

Amanda can jog 12 miles in 3 hours. At this rate, how many miles can Amanda jog in 5 hours?

• 4 miles

• 15 miles

• 20 miles

• 36 miles

Answer explanation

12/3 = 4 miles per hour

4 x 5 = 20

20 miles in 5 hours

Tommy can type 675 words in 15 minutes. How many words can Tommy type in 11 minutes?

• 165 words

• 45 words

• 10,125 words

• 495 words

Answer explanation

675/15 = 45

He can type 45 words per minute

45x11 = 495 words in 11 minutes

Hannah can type 400 words in 20 minutes. Jack can type 735 words in 35 minutes. Bob can type 798 words in 42 minutes. Put the students in order from the fastest to the slowest.

• Hannah

  Jack

  Bob

• Jack

  Bob

  Hannah

• Bob

  Hannah

  Jack

• Jack

  Hannah

  Bob

Answer explanation

Hannah = 20 wd/min

Jack = 21 wd/min

Bob = 19 wd/min

Fastest = Jack

Then Hannah

Then Bob

Put the kids in order from the fastest to the slowest. Greg can run 4 miles in 30 minutes. Janice can run 5 miles in 40 minutes. Taylor can run 6 miles in 42 minutes.

• Taylor

  Greg

  Janice

• Greg

  Taylor

  Janice

• Janice

  Taylor

  Greg

• Greg

  Janice

  Taylor

Mike bought 8 lemons for $6. Each lemon was the same price. What was the cost per lemon?

• 0.7 $/lemon

• 0.75 $/lemon

• 1.33 $/lemon

• None of these

Answer explanation

You should divide 6/8 = 0.75 Don't forget your units!!