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kramer
3 years ago
5

PLS HELP!! Katie earned 15% more this week than last week. This week she earned $225, how much did she earn last week?

Mathematics
2 answers:
alina1380 [7]3 years ago
5 0

Answer:

$258.75

Step-by-step explanation:

225 * 0.15

allsm [11]3 years ago
3 0

Let last weeks pay = x

This week she earned 15% more so she earned 100% + 15% more for 115% total.

Setup an equation:

115% times x = $225

115% as a decimal = 1.15

So the equation is:

1.15x = 225

Solve for x by dividing both sides by 1.15:

X = 225/1.15

X = 195.65

Last week she earned $195.65

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