matthewgpnzalez839
matthewgpnzalez839 matthewgpnzalez839
  • 21-10-2021
  • Mathematics
contestada

A marathon runner ran the first 5 miles in 32.5 min. If she
continues running at this pace, how long will it take her to run
The entire marathon of 26.2
miles?

Respuesta :

bearbearxx1
bearbearxx1 bearbearxx1
  • 21-10-2021

Answer:

It will take her 170.3 minutes to run the entire marathon

Step-by-step explanation:

Use dimensional analysis, the miles will cancel out.

[tex]\frac{26.2 mi}{1}[/tex] ×  [tex]\frac{32.5 min}{5 mi}[/tex] =  [tex]\frac{26.2(32.5)}{5}[/tex]min = 170.3 min

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