SOLUTION: David wants to purchase a new guitar. The cost of a guitar is $299. David has saved $42 for his new purchase. His parents are willing to give him three times what he has saved. On

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Question 1160502: David wants to purchase a new guitar. The cost of a guitar is $299. David has saved $42 for his new purchase. His parents are willing to give him three times what he has saved. On the weekends, David cuts lawns for $20 an hour. How many more hours will David have to work until he has enough money to purchase his guitar?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.

The problem's formulation is FAULT:

it did not say in the condition, how many hours David just worked for $20/hour, before asking "how many more hours . . . "



Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
How many more hours? More than what?

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The cost of a guitar is $299. David has saved $42 for his new purchase. His parents are willing to give him three times what he has saved. On the weekends, David cuts lawns for $20 an hour. How many hours will David have to work until he has enough money to purchase his guitar?
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x hours to work at $20 per hour



Or close enough to


( 6 hours 33 minutes )

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