First 2 Questions

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course Phy 121

1/17/2011 12:29

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:

If I were to work for 4 hours earning 8 dollars per hour I would make 32.00 dollars minus taxes. This is solved by multiplying the number of hours worked by the amount of money being made per hour.

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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:

3

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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:

If I earned 168 dollars after working 12 hours then I was earning 14.00 per hour. This is solved by dividing the number of hours worked by the amount of money received in the end.

confidence rating #$&*:

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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:

3

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Self-critique (if necessary):

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Self-critique rating:

3

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Self-critique (if necessary):

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Self-critique rating:

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