book Maths Puzzle Numerical Ability

I dont even know where to begin on this one. In each pair of equations, give the slope of each line,

Read Solution (Total 0)

book Other Question

I need To Simplify the following square roots in simplest radical form and I have no clue how to do this

3/5 and m/n John and Harvey sold widgets, Harvey sold 2� times as many widgets as John. If the difference in their sales was 87 units. How many widgets did each of them sell?