First Two Questions

course MTH 163

7-16-09 10:28AM

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.YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Your solution: (type in your solution starting in the next line)

8 dollars x dollars

--------- = ---------

1 hours 4 hours

1:4 ratio

1 x 4 = 4

8 x 4 = 32

32 dollars over 4 hours

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): The process was simple. I had no trouble with understanding how it worked and how to execute it properly.

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: (type in your solution starting in the next line)

x dollars

12 Hours * --------- = 168 Dollars

1 hours

x dollars 168 dollars

--------- = -----------

1 hours 12 hours

1:12 Ratio

1 * 12 = 12

14 * 12 = 168

14 Dollars per hour

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

Self-critique Rating: OK

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