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Mathematics, 27.01.2021 22:40 kingswriters3250

Jessica needs to get her bicycle fixed. A mechanic charges $30 per hour of labor, and $45 for parts. The total cost for fixing Jessica's bicycle is $90. How long did it take the mechanic to fix Jessica's bicycle?

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Jessica needs to get her bicycle fixed. A mechanic charges $30 per hour of labor, and $45 for parts....
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