Question

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

Answer 1

Answer:

The increase is 9.1%

Step-by-step 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%