vmontes502 vmontes502
  • 01-10-2017
  • Mathematics
contestada

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

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mmn6162 mmn6162
  • 01-10-2017
4/8 is mary and it is 0.5
12/18 is nicole and it is .6666
mary runs faster
Answer Link
Аноним Аноним
  • 01-10-2017
[tex] \frac{4}{8} = \frac{x}{1} [/tex]

4/8 or 1/2 laps per minute 

[tex] \frac{12}{18} = \frac{x}{1} [/tex]

12/18 or 2/3 laps per minute 

Nicole ran the fastest 
Answer Link

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