Question 894792
speed of bus is r.


Uniform Rates for Travel rule is RT=D for rate, time, distance



______________speed________time________distance
CAR___________r+10_________{{{1&1/2}}}_______{{{(r+10)(1&1/2)}}}
BUS___________r____________{{{1&1/2}}}_______{{{r(1&1/2)}}}
Total__________________________________240