jaii2xx
jaii2xx jaii2xx
  • 15-05-2017
  • Mathematics
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This week Leah earned three times as much as she did last week. During both weeks she made $72. How much did she make last week?

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irspow
irspow irspow
  • 15-05-2017
Let e be equal to what she earned last week.

This week she earned 3e so:

e+3e=72

4e=72

e=18

So she earned $18.00 last week.
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