A bar chart shows the monthly sales (in units) of Store P: Jan 120, Feb 150, Mar 180, Apr 90, May 210. By what percent do the May sales exceed the average monthly sales of these five months?

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Accepted Answer

40. Total = 120 + 150 + 180 + 90 + 210 = 750, so the average is 750 ÷ 5 = 150. May exceeds it by 210 − 150 = 60, and 60 ÷ 150 = 0.40, i.e. 40 percent.

A bar chart shows the monthly sales (in units) of Store P: Jan 120, Feb 150, Mar 180, Apr 90, May 210. By what percent do the May sales exceed the average monthly sales of these five months?

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