exam Maths Puzzle Numerical Ability

Solve each of the equations for x.
2(x - 5)^2 = 3

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exam Other Question

how to calculate the percentage of $1722.50 that is equal $277.27?

please teach how to write this equation 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