mackenzietucker282 mackenzietucker282
  • 24-01-2020
  • Mathematics
contestada

A road sign gives drivers information about traffic on busy highways. One sign shows "15 miles in 20 minutes." What is the speed in miles per hour?

Respuesta :

sabienadderley03
sabienadderley03 sabienadderley03
  • 24-01-2020

Answer:

45

Step-by-step explanation:

1 hour = 60 minutes

15 / 20 = x / 60

solve for x

15*3 / 20*3 = x / 60

45 / 60 = x / 60

denominators cancel

x = 45

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