The fuel efficiency of a car decreases as tire pressure decreases. What's the independent variable in the situation? A. Tire pre
ssure B. The price per gallon of gas C. The speed of the car D. Fuel efficiency
2 answers:
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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