Question

If Sue bought a on sale for $21.50. If the sale was a 15% off sale, how much money did she save compared to if she bought it at the regular price?
0.85x = 21.5
x = 21.5 / 0.85
x = ?

85%x = $21.5
x = 21.5/.85 = $25.29

so how much money did she save?

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