SOLUTION: Amy and Kim earned a total of $308 by working a total of 30 hours. If amy earns $8 an hour and kim earns $12 an hour. How many hours did each work?
If someone could help turn t
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Question 234601: Amy and Kim earned a total of $308 by working a total of 30 hours. If amy earns $8 an hour and kim earns $12 an hour. How many hours did each work?
If someone could help turn this into an equation I would appreciate it. thank you
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the number of hours that Amy worked. Since they worked a total of 30 hours, Kim must have then worked 
hours. Amy was paid 
dollars for her work, and Kim was paid )
for her work. Together they earned $308, so:
\ =\ 308)
You could also have just said is Amy's hours, and 
is Kim's hours and then made a system of two 2-variable equations:
But once you start to solve it by substitution, you would end up with either
or
\ +\ 12y\ =\ 308)
anyway.
John
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