exam Maths Puzzle Numerical Ability

This question is very difficult.

An alloy of silver and gold is to be recast with an addition of silver. The alloy consists of 80 oz, 10 oz of which are gold. If the new alloy

Read Solution (Total 0)

exam Other Question

Solve each of the equations for x.
2(x - 5)^2 = 3
I cannot get this problem to work out right. Can you please help me solve it step by step?