What is 640 minus 20 percent?

Here we will explain how to calculate the answer to: 640 minus 20 percent. To find the answer, we first calculate what 20 percent of 640 is, and then we deduct that amount from 640 to get the answer.

To get the 20 percent from any number such as 640, we multiply the number by 20 and then divide that answer by 100. Thus, to find 20 percent of 640, we do this:

(640 x 20)/100 = 128

Next, we simply subtract 128 from 640 like this:

640 - 128 = 512.

Therefore, as illustrated and calculated above, the answer to "What is 640 minus 20 percent?" is as follows:

512

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