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Question

In Factory A, the ratio of the number of male workers to the number of female workers is 3:2.  In Factory B, the ratio of the male workers is to the number of female workers is 1:2. 

Factory B has three times as many workers as Factory A.

 

If there are 1035 workers in Factory B, how many more female workers are there in Factory B than that in Factory A

Answer

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In Factory A,
male workers : female workers : total
3u : 2u : 5u

In Factory B,
male workers : female workers : total
1 : 2 : 3
5u : 10u : 15u

15u ——- 1035
1u ——- 1035/15 = 69
10u – 2u = 8u ——- 8 x 69 = 552

Ans : 552 female workers.

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