SOLUTION: two machines are used to stamp metal parts in a factory. one requires 8 hours to stamp the needed parts, the other requires 6 hours. how long would it take both working together.
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Question 736289: two machines are used to stamp metal parts in a factory. one requires 8 hours to stamp the needed parts, the other requires 6 hours. how long would it take both working together. Answer by solver91311(24713) (Show Source):
If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period.
So, working together, they can do
of the job in 1 time period.
Therefore, they can do the whole job in:
time periods.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
