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The price of a notebook was 3.70 yesterday. Today, the price fell to 3.20. Find the percentage decrease. Round your answer to the nearest tenth of a percent.

Sagot :

Answer:

The price fell by 13.5%.

Step-by-step explanation:

Formula: Subtract the lower price from the higher price. Divide that answer by the higher price. Multiply by 100 to get the percent. This is also the formula for percent error.

1: [tex](\frac{3.7-3.2}{3.7})*100[/tex]

2: [tex](\frac{0.5}{3.7}) *100[/tex]

3. 0.135*100

4: 13.51%

The final answer is 13.5%.

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