What is 420 minus 90 percent?

Here we will explain how to calculate the answer to: 420 minus 90 percent. To find the answer, we first calculate what 90 percent of 420 is, and then we deduct that amount from 420 to get the answer.

To get the 90 percent from any number such as 420, we multiply the number by 90 and then divide that answer by 100. Thus, to find 90 percent of 420, we do this:

(420 x 90)/100 = 378

Next, we simply subtract 378 from 420 like this:

420 - 378 = 42.

Therefore, as illustrated and calculated above, the answer to "What is 420 minus 90 percent?" is as follows:

42

Minus Percent Calculator
Need another answer? Enter another "What is a minus b percent?" problem below:

What is 421 minus 90 percent?
Go here for the next "What is a minus b percent?" problem on our list.