yeremy123 yeremy123

26-01-2018
Mathematics

contestada

A car travels 4 mph slower than a motercycle. Let x represent the speed of the motorcycle.
a. Write an expression for the speed of the car.
b. Write an expression for the time it takes the motorcycle to travel 50 mi.
c. Write an expression for the time it takes the car to travel 145 mi.

Respuesta :

grujan50 grujan50

29-01-2018

You forgot to mention at the end od the sentence " at the same time"
a. Vcar= (x-4)
b. t=50mi/x
c. t=145mi/(x-4)

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