d = miles at a speed. r = miles per hour.
Equation: t = 0.5 + d/r
Question: If they average 50 miles per hour, how long did it take the Doyles to travel 240 miles? Show work and please explain.
a) 4.7 hours
b) 4.8 hours
c) 4.9 hours
d) 5.3 hours

Respuesta :

it would come out to 240/50 which would equal 4.8
 plus 0.5 which would equal 5.3 so d is your answer