SOLUTION: two machines are turned on at 8:00 am. If one can produce 64 items each hour and the other can produce 31 items each hour, at what time will they produce a total of 665 items?
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-> SOLUTION: two machines are turned on at 8:00 am. If one can produce 64 items each hour and the other can produce 31 items each hour, at what time will they produce a total of 665 items?
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Question 630050: two machines are turned on at 8:00 am. If one can produce 64 items each hour and the other can produce 31 items each hour, at what time will they produce a total of 665 items?
cheers! Answer by ewatrrr(24785) (Show Source):
Hi,
one can produce 64 items each hour and the other can produce 31 items/hr
Let x represent hours needed to produce 665 items
64x + 31x = 665
x = 665/95
x = 7 hrs
machines turned on at 8:00 am. At 3pm machines will have produced 665 items
