Answer: 7/12 portion
Explanation:
Jack can paint:
1 house = 3hr
1/3 portion= 1hr
Jill can paint:
1 house = 4hr
1/4 portion = 1hr
Both of them together can paint in 1 hour:
1/3 + 1/4 = 3/12 + 4/12 = 7/12 portion in 1hr
Should be the second one.
It’s the first one.The one with a negative 2
Part A) 24.79 acres
1) Since that plot has an area of

And the number of units must be between 10 and 10² units.
Part A)

2) Let's convert them to the apparently plausible units, see if it fits within the given interval.

We can see that 0.03 m² does not belong to the given interval.
3) Hence, the answer is 24.79 acres.