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The number 66 is increased to 72. What is the percentage by which the number was increased, to the nearest tenth of a percent?

1 Answer

4 votes

Answer:

The increase is 9.1%

Explanation:

Step 1: Make an equation


66 * x = 72


66x = 72

Step 2: Divide both sides by 66


66x / 66 = 72 / 66


x = 1.09090

Step 3: Find the increased


1 - 1.09090


0.091 * 100

9.1%

Answer: The increase is 9.1%

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