Question

Mary runs 4 laps in 8 minutes.Nicole runs 12 laps in 18 minutes.Who runs the fastest?

Answer 1

$\frac{4}{8} = \frac{x}{1}$

4/8 or 1/2 laps per minute 

$\frac{12}{18} = \frac{x}{1}$

12/18 or 2/3 laps per minute 

Nicole ran the fastest 

Answer 2

4/8 is mary and it is 0.5
12/18 is nicole and it is .6666
mary runs faster