First Two Questions

course MTH 163

9/8 12

Question:  `q001.   If you are earning money at the rate of 8 dollars / hour and work for 4 hours, how much money do you make during this time?  Answer in such a way as to explain your reasoning as fully as possible.  A solution to this problem appears several lines below, but enter your own solution before you look at the given solution. vvvv

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Your solution:  

8 x 4

= $32

confidence rating: 3

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Given Solution:  8 dollars / hour means '8 dollars per hour', indicating that for every hour you work you earn 8 dollars.  If you work for 4 hours, then if you earn 8 dollars for every one of those hours you earn 4 * 8 dollars = 32 dollars. 

 

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Self-critique (if necessary): OK

 

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Self-critique Rating: OK

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Question:  `q002. If you work 12 hours and earn $168, then at what rate, in dollars / hour, were you making money?

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Your solution: 

$168 / 12

=$14 

 

confidence rating: 3

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Given Solution:  $168 earned in 12 hours implies that $168 / 12 = $14 were made per hour, so the rate is $14 / hour.

  

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Self-critique (if necessary): OK

  

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Self-critique Rating: OK"

&#Good work. Let me know if you have questions. &#