Question

#3 Mary runs 4 laps in 8 minutes. Nicole runs 12 laps in 18 minutes. Who runs faster?

Answer 1

Mary

Explanation:

Find the unit rate of the two.

Mary-

4/8=0.5

Nicole-

12/18=0.67

Mary runs faster because she can run a lap in less time.

-hope it helps

Answer 2

4/8 is mary and it is 0.5

12/18 is nicole and it is .6666

mary runs faster