Preliminary QA

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course Phy 232

5/17/13

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)

You would get 32 dollars because 8*4=32. In order to find this answer we find the rate of which the wage is paid then multiply that by the number of hours worked to find the total amount made.

confidence rating #$&*: (Type in a number from 0 to 3, indicating your level of confidence in your solution.

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3 means you are at least 90% confident of your solution, or that you are confident you got at least 90% of the solution

2 means that you are more that 50% confident of your solution, or that you are confident you got at least 50% of the solution

1 means that you think you probably got at least some of the solution correct but don't think you got the whole thing

0 means that you're pretty sure you didn't get anything right)

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): (If you believe your solution matches the given solution then just type in 'OK'.

OK

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Self-critique Rating: (If you believe your solution matches the given solution then just type in 'OK'.

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)

Divide the amount of money earned by the number of hours worked to find the amount paid for each hour. So, 168/12=14 dollars an hour.

confidence rating #$&*: (Type in a number from 0 to 3, indicating your level of confidence in your solution.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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): (If you believe your solution matches the given solution then just type in 'OK'.

OK

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Self-critique Rating: (If you believe your solution matches the given solution then just type in 'OK'.

OK

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Self-critique (if necessary):

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Self-critique rating:

OK

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Self-critique (if necessary):

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Self-critique rating:

#*&!

&#Your work looks good. Let me know if you have any questions. &#