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Katie babysits for her neighbor and charges a certain amount per hour. She also charges 1.5 times as much for any hours after 8pm. If she is hired from 4pm until 1am and makes a total of $92, how much
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Jul 21, 2019
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Katie babysits for her neighbor and charges a certain amount per hour. She also charges 1.5 times as much for any hours after 8pm. If she is hired from 4pm until 1am and makes a total of $92, how much does she charge per hour?
Mathematics
high-school
N Brouwer
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N Brouwer
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4 p.m to 8 p.m is 4 hrs.....so she worked 4 regular hrs
8 p.m. to 1 a.m is 5 hrs...she she worked 5 hrs for 1.5 times as much
4x + 5(1.5x) = 92
4x + 7.5x = 92
11.5x = 92
x = 92 / 11.5
x = 8 <==== so she charged $ 8 per hr from 4 pm. to 8 pm. and (8 * 1.5) = $ 12 per hr for hrs after 8 p.m
Simon Bridge
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Jul 26, 2019
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