figueroaoriana2019 figueroaoriana2019
  • 06-09-2020
  • Mathematics
contestada

Write the proportion and solve:
1. Mr. Lewis rode his bicycle for 5 miles and it took
him 45 minutes. How long will it take him to ride 90
miles?
________. ____

Respuesta :

ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 06-09-2020

810 minutes

13 hours 30 minutes

Step-by-step explanation:

Let the unknown value be x

[tex]5\:miles = 45 \: minutes\\90\:miles = x\:minutes[/tex]

Sole the proportion for x ; Cross Multiply

[tex]5\times \:x =90 \times 45\\\\5x\: = 4050[/tex]

Divide both sides of the equation by 5

[tex]\frac{5x}{5} = \frac{4050}{5} \\\\x = 810 \:minutes =\\13 \:hours \:30\:minutes[/tex]

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