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Find Sylvia's hourly rate
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12 hours = $84
1 hour = $7
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Find number of hours she needs to work to earn more than $100
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Let x be the number of hours she needs to work
7x > 100
x > 100 ÷ 7
x > 14.28
x ≈ 15
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Ans: She needs to work at least 15 hours to get more than $100. It is possible because she can work 15 hours a week.
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