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Jennie has $300 and spends $15.What percent of her money is spent?

Sagot :

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Total money = $300

money spend = $15

300 ---------------------- 100

15 ---------------------- x

x = (15 x 100)/300

x = 1500/300

x = 5

Jennie spent 5% of her money

To solve it, use a rule of three. $300 is 100%, so we need to calculate which percent is $15 of the total amount.

In a rule of three, it's necessary to use cross multiplication and then division.

That's why I multiplied 15 by 100 and then I divided by 300.

15 is 5% of $300