Question 257081
d=rt
144=(x+x-15)3.75
144=(2x-15)3.75
144=7.5x-56.25
7.5x=144+56.25
7.5x=200.25
x=200.5/7.5
x=26.733 mph for the car.
26.733-15=11.733 mph for the bus.
Proof:
144=(26.733+11.733)3.75
144=38.466*3.75
144~144