dakota earned money mowing laws this summer. she put 80% of the money in savings she then spends 25% of the remaining money on music downloads. if she has 99$ left to spend on other things, how much money did she earn this summer?

She spent 25% and had $99 left.

$99 is 75% of the remaining money.

Divide to find the total remaining

99 / 0.75 = $132

Now she put 80% of her total earnings in the bank, this means the remaining amount is 20%.

Divide the remaining amount by 20%:

132 / 0.20 = $660

She earned $660 total.