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# Help with math please!!!?

After a 15% tip, the total for the dinner cane to $56.33. What was the cost befor the tip

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- hsueh010Lv 77 years ago
Original Cost + Tip = $56.33, but you know the Tip was 15% of the original cost so...

Original Cost + Original Cost * (.15) = $56.33

OriginalCost (1+.15) = $56.33

Original Cost (1.15) = $56.33

Original Cost = $56.33/1.15

Original Cost = $48.98

Check: Tip is 15% of original so $48.98 * .15 = $7.35

Original Cost + Tip Amount = $48.98 + $7.35 = $56.33

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