Find the amount of decrease if 68 is decreased by 15%.

68 * 0.15 = ?

10.2

To find the amount of decrease, we need to multiply the original value by the percentage decrease. Therefore, to find the amount of decrease if 68 is decreased by 15%, we can follow these steps:

Step 1: Convert the percentage decrease to decimal form.
15% = 15/100 = 0.15

Step 2: Multiply the original value by the decimal form of the percentage decrease.
Decrease = 68 * 0.15

Step 3: Calculate the result.
Decrease = 10.2

Therefore, if 68 is decreased by 15%, the amount of decrease is 10.2.