Study the graph and answer the questions.
What was the approximate percent drop in the sale of Pep-up in 1990 over its sale in 1989 ?
Sales of pep up in 1989 = 35
Sales of pep up in 1990 = 30
=> % decrease = $$\frac{35-30}{35}$$ * 100 = 14.28%
= ~14%
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