Question 323215
D=RT
D=75T FOR THE BUS.
T=D/75
D-22.5=60T
T=(D-22.5)/60
D/75=(D-22.5)/60 CROSS MULTIPLY.
75(D-22.5)=60D
75D-1,687.5=60D
75D-60D=1,687.5
15D=1,687.5
D=1,687.5/15
D=112.5 MILES.
112.5=75T
T=112.5/75
T=1.5 HOURS THEY WILL BE 22.5 MILES APART.
PROOF:
1.5=(112.5-22.5)/60
1.5=90/60
1.5=1.5