What is the sum of the first 12 terms in the series shown below? 1.5 - 4.5 + 13.5 - 10.5 +
1 answer:
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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
x=3 machine