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Every week for 20 weeks, Kathy earned $15 for mowing lawns and $35 for delivering newspapers. At the end of 20 weeks, she stopped mowing lawns and delivering newspapers and spent $300. She didn't earn or spend any money besides what is described here. Write a numerical expression with parentheses for the amount of money Kathy has left.

Respuesta :

senthilx13
20 weeks, earnings $(15 + 35), spending $300: 

20(15 + 35) - 300 = amount of money she has left
brigidmski
The expression should be (15x20)+(35x20)-300.

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