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velikii [3]
3 years ago
10

Six machines, each working at the same constant rate, together can complete a certain job in 12 days. How many additional machin

es, each working at the same constant rate, will be needed to complete the job in 8 days?
Mathematics
1 answer:
Schach [20]3 years ago
7 0

Answer:

3 machine

Step-by-step explanation:

It is given that 6 machine each working at the same rate can complete the work in 12 days

We the has to complete in 8 days

Let we need x extra machine to complete the work in 8 days

So total number of machines =x+6

Now according to man work day equation M_1D_1=M_2D_2

6\times 12=(x+6)\times 8

8x+48=72

8x=24

x=3 machine

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