Set up equation: Set up the equation to find the percentage.Let x be the percentage we are looking for. The equation is:x% of 90 = 90This translates to:(x/100)×90=90
Solve for x: Solve for x.Divide both sides by 90 to isolate 100x:100x=9090100x=1
Convert to percentage: Convert the decimal to a percentage.Multiply both sides by 100 to find x:x=1×100x=100
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