Machine A produces rubber soles at a constant rate of 40 soles per hours. Machine B produces
15 more soles per hour than machine A. Working together, how many hours (approx.) will it
take for machines A and B to produce 2500 soles?
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If Machine A's speed were doubled, the two machines could produce 1 ... How many hours does it currently take Machine A to produce 1 ... to produce 1 widget, A working alone must take MORE than 3 hours. ... When A's rate is doubled, the new combined rate for A and B = 2*5 + 5 = 15 units per hour.
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