Convert the percentage to a decimal: 54% = 54 / 100 = 0.54
54% of 80
= 54% * 80
= 0.54 * 80
= 43.2
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To find 80 percent of a number, multiply the number by 0.8. In this instance, 54 x 0.8 = 43.2. Therefore, 80 percent of 54 is equal to 43.2.
Mixing 80 liters of 15% solution and 520 liters of 90% solution will give 600 liters of 80% solution.
Multiply the number by .8 to get 80% of that number.
45 percent of 80 = 36
take the number and multiply it by .8 like .8x100 (80 percent of 100) = 80