Question 299054
D=RT
480=[(R-12)+R]3
480=(2R-12)3
480=6R-36
6R=480+36
6R=516
R=516/6
R=86 KMH IS THE SPEED OF THE FASTER CAR.
86-12=74KMH IS THE SPEED OF TH SLOWER CAR.
PROOF:
480=(74+86)3
480=160*3
480=480