SOLUTION: The Joneses drove to their parents house at 45km/h. The return trip took 1 hour less because they traveled at 60km/h. How long did it take for them to get home?
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Question 93052: The Joneses drove to their parents house at 45km/h. The return trip took 1 hour less because they traveled at 60km/h. How long did it take for them to get home?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
distance=rate*time
45*t=60(t-1)
45t=60t-60
-15t=-60
t=-60/-15
t=4 hours for the 45 km/h trip.
proof
45*4=60*3
180=180
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