What percent of 320 is 19.2?

320 percent means multiply the number by 3 and then take 20 percent. Now 20% is 20/100 or 1/5. So you can multiply 19.2x3 and then add 19.2x1/5.
The answer is 61.44. 19.2x3=57.6 and 19.2 x 1/5. Now add these and you have 61.44.

You can also just multiply by 3.20 since to change a percent to a decimal, you move the decimal place over 2 places to the left.