anonymous
  • anonymous
Word problem help, need to set up 2 separate linear equations............... A brick layer and an electrician together spend 90 hours working on a house. If the brick layer earns $12 per hour and the electrician earns $16 and the owner paid them a total of $1350, how many hours did each work?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
If x is the number of hours that the electrician works and y is the number of hours that the brick layer works, then the total number of hours worked is 90. x + y = 90. If x is the number of hours that the electrician works, then he will receive $16x. If y is the number of hours that the brick layer works, then he will receive $12y. The total amount of money is $1350 so... 16x+12y = 1350
anonymous
  • anonymous
how did you get the numbers 16 and 12?
anonymous
  • anonymous
The question said that the brick layer is paid $12 per hour, and the electrician $16. So, the total mount of money that the brick layer gets is 12 * the number of hours he worked, and for the electricial it is 16 * the number of hours worked.

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anonymous
  • anonymous
so my two equations would be x + y = 90 and 12x + 16y = 1350 ?
anonymous
  • anonymous
Yup, exactly.

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