exam Maths Puzzle Numerical Ability

Plot and solve (Identify solution sets) the following systems:

{2x=4+y and y/2=-x+2}

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exam Other Question

A wallet contains $1, $5 and $20 bills. The number of $5 bills is equal to the sum of the other bills. If the wallet contains ten bills total, how many $5 bills does it contain? Factor the polynomial

9 y 2 - 64