Answer: 12) 58.8%
13) 320%
14) 74.499%
15) 68.1%
Step-by-step explanation: To make a decimal a percentage, you need to multiply the decimal value by 100, like 0.499 as a percentage would be 49.9%, because I multiplied it by 100. Or, you could just move the decimal point 2 steps to the right.