Answer:
Step-by-step explanation:
An inverse variation can be seen when two factors are compared, if one factor is seen to be increasing, then naturally the factor should be decreasing.
Here, as the number of contractors increase, the time taken to complete the work decreases.
∴ Hence, this represents an inverse variation.
Yes
See
3 contractors took 8hours
4 contractors took 6hours
We observe
So it's inverse variation
No
explanation:
You are subtracting one and some more, so its going to be less than 4
The answer to your question is 7