Question 265350
Motorcycle travels 45/mph, walk 6/mph, if travel 25 miles in 2 hrs how far did motorcycle go before broke down?  


let motorcycle be driven for x kms.
walking will be 25-x

distance/rate = time

x/45 is time driven

25-x/6 = time walked

x/45 + 25-x  / 6=  2  270 LCD

6x+1125-45x = 270*2
-39x=540-1125
-39x=-585
x= -585 / -39

x=15  the motor cycle broke down after 15 kilometers
& he walked 10 kilometers