First two Questions

course Phy 201

This is for physics 201 and 202.

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. *********************************************

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

If you worked for 4 hours making 8 dollars per hour, you can multiply to find the total.

$8.00 x 4 hrs= $32.00

You would make $32.00 in this amount of time at the stated pay.

Confidence Assessment: 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

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

OK

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)

With a total of $168 for a total of 12 hrs work, you can determine the amount paid per hour by dividing $168 by 12

$168/12= $14/hr

Confidence Assessment:

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):

I hinted that the rate was $14/hr but did not specifically state it word for word.

Self-critique Rating:

3

Everything looks good.