Problema Solution
7 machines produce the same parts at the same rate. They complete the parts in 2.5 hours. How many hours does it take 4 machines to produce the same number of parts?
Answer provided by our tutors
Let 'x' represent the number of hours that 4 machines need to produce the parts:
7*2.5 = 4x
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click here to see the equation solved for x
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x = 4.375 hr
x = 4 hr 0.375*60 min
x = 4 hr 22.5 min
4 machines need 4 hours and 22.5 minutes to produce the same number of parts.