That would be 16
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20% of 450 is 90 So 80% of 450 will be 360
To find 80 percent of a number, multiply the number by 0.8. In this instance, 0.8 x 20 = 16. Therefore, 80 percent of 20 pounds is equal to 16.75 pounds.
20 is 25% of 80
-75%
Since the number will lose 20% of its value, 80% of it will remain. 80% = 0.8 Multiply the number by 0.8 . The result is what remains after the number shrinks by 20%.