SOLUTION: Two truckdrivers leave a cafe at the same time, traveling in opposite directions. One truck goes 3 mph faster then the other one. After four hours they are 388 miles apart. How fas

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Question 280373: Two truckdrivers leave a cafe at the same time, traveling in opposite directions. One truck goes 3 mph faster then the other one. After four hours they are 388 miles apart. How fast is each truck going?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
388=(R+R+3)4
388=(2R+3)4
388=8R+12
8R=388-12
8R=376
8=376/8
R=47 MPH FOR THE SLOWER TRUCK.
47+3=50 MPH FOR THE FASTER TRUCK.
PROOF:
388=(47+50)4
388=97*4
388=388