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If it takes 5 sewing machines 5 minutes to mak 5 shirts

How long does it take 100 sewing machines to make 100 shirts?

Guest Jun 27, 2017

Best Answer 

 #3
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If the sewing machines are independent of each other, then the number of shirts is proportional to number of sewing machines x  time. So,

5 : 5 x 5, or:

5 shirts/[5 machines x 5 minutes] = 1 shirt per 1 machine in 5 minutes.

5 /[5 x 5] = 100/[100 x M], and 

M = 5 minutes - so takes 5 minutes for 100 sewing machines to make 100 shirts.

Guest Jun 27, 2017
 #2
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Each minute, 1 shirt is made by 5 machines......so 100 machines must be able to make 20 times as many in one minute = 20 shirts in one minute.....so....it must take 5 minutes for 100 machines to make 100 shirts 

 

 

cool cool cool

CPhill  Jun 27, 2017
edited by CPhill  Jun 27, 2017
 #3
avatar
+1
Best Answer

If the sewing machines are independent of each other, then the number of shirts is proportional to number of sewing machines x  time. So,

5 : 5 x 5, or:

5 shirts/[5 machines x 5 minutes] = 1 shirt per 1 machine in 5 minutes.

5 /[5 x 5] = 100/[100 x M], and 

M = 5 minutes - so takes 5 minutes for 100 sewing machines to make 100 shirts.

Guest Jun 27, 2017

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