book Maths Puzzle Numerical Ability

Eve has two more marbles than Solene.
Solene has twice as many marbles as Steve.
Steve has 7 less marbles than Eve.
How many marbles do they have between them?</PRE>

Read Solution (Total 0)

book Other Question

how would I factor the equation (c + 3)^2 - 49 Hi, I'm trying to verify a graph that I did for a problem I've been working on. I am hoping that one of the tutors could please show me the solution to the below problem so I can