Makoto, Mishi, and Ozuro were paid a total of $780 for waxing the floors at their school. Each was paid in proportion to the number of hours he or she worked. If Makoto worked 15 hours, Mishi worked 20 hours, and Ozuro worked 30 hours, how much was Makoto paid?
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A$52
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B$117
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C$130
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D$180
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E$234