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40/100 x 80

4/10 x 80

80/10=8

8 x 4 = 32

=32 Dollars

Although the answer is correct, it does seem to be the long way around to get the same answer. The simplest way of answering this question is to change your percentage to a decimal and then multiply. Therefore the equation looks something like this.

80 x .40 = 3200

Then count the decimal places and add them to the answer, there are two therefore 3200 becomes 32.00

Remember when changing a percent to a decimal you change the "%" to a decimal and move it two places to the left. Therefore 40% becomes .40, 105% would become 1.05.

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14y ago

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