book Maths Puzzle Numerical Ability

Leon drove 270 miles to the lodge in the same time as Pat drove 330 miles to the lodge. If Pat drove 10 miles per hour faster than Leon, then how fast did each of them drive?

So

Read Solution (Total 0)

book Other Question

(I am trying to understand my sons home work )
how do we solve systems by subtitution?
how and why does the power law work?