a and b together can do a work in 10 days B and C together can do the same work in 15 days a b and c together can do the same wo
1 answer:
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Answer:
B: 57 mph=57 mph
Step-by-step explanation:
A steady pace means constant speed that it does not change over a period of time and direction of motion. A simple formula, for this case (constant speed)
where x is distance and t time. The subtract is final value minus initial value
We have the distance and time, then