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Mars2501 [29]
3 years ago
10

Lisa and experience shipping clerk can file a certain order in 2 hours. Jim a new clerk needs 3 hours to do the same job working

together how long will it take them to fill the order
Mathematics
1 answer:
Neporo4naja [7]3 years ago
7 0

Answer:

Together they will complete the order in 6/5 hours.

Step-by-step explanation:

Lisa an experience shipping clerk can fill a certain order in 2 hours.

Jim a new clerk needs 3 hours to do the same job working.

For 1 hours Lisa can fill  1/2 a order.

For 1 hours Jim can fill  1/3 a order.

For 1 hours togethers  can fill 1/2+ 1/3=5/6 a order.

We have the following proportion:

1:\frac{5}{6}=x:1\\\\\frac{5}{6}x=1\\\\x=\frac{6}{5}

Together they will complete the order in 6/5 hours.

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Answer:

b = 3, which is an extraneous solution because if we replace b = 3 in the equation, we must be 5/0 and 30/0, and there is division by 0.

Step-by-step explanation:

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