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Bogdan [553]
2 years ago
8

if 6 men. 8 women and 16 boys together can do a piece of work in 288 days by working 6 hours each day in how many days can 12 me

n, 18 women and 28 boys complete the same & work by working 8 hours each day? The work efficiency of men, women and boys proportion 3:2:1 respectively? ​
Mathematics
1 answer:
Verdich [7]2 years ago
4 0

Answer:

144 days

Step-by-step explanation:

Let's put the efficiency in terms of   b

m = 3b      w = 2b       b=b

starting with    6 m  = 18 b

                        8w =   16 b

                        16b = 16 b          <u> total 50 b </u>

then increase   12m = 36b

                         18w = 36b

                         28b = 28 b   <u>  total = 100 b </u>

You doubled 'b'  workers  so work time will be halved     to  144 days

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