emmaalee
emmaalee emmaalee
  • 18-03-2016
  • Mathematics
contestada

Karen makes $5 per hour babysitting and $12 per hour giving music lessons. One weekend, she worked a total of 18 hours and mad $139. How many hours did she spend babysitting?

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mikapika124
mikapika124 mikapika124
  • 18-03-2016
139=5b+12m 

hope it helped youu!!
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ChristinaGrimmie ChristinaGrimmie
  • 18-03-2016
she spent 11 hours babysitting and 7 hours giving music lessons. 5 × 11 + 12 × 7 = 139
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