book Maths Puzzle Numerical Ability

find two consecutive intergers such that the sum of the first and 3 times the second is 55

Read Solution (Total 0)

book Other Question

2x/x+2-2= x-8/x-2 This is a lever problem I spent an hour trying to figure out last night. I will be so grateful for an explanation.

A woman uses a 10-foot bar to lift a 210-pound stone. If she