5 bags is cheaper because one bag is $3 and 5 bags for ten so to find the unit price the amount (10/ ) the amount of bags (5) so therefore 10/5= $2 which is smaller than the price of an individual bag
the increase would be 1.25-1 = 0.25 = 25%
Answer is C
Henry's House is closer to the middle school. As you can see in the graph; Henry's house is only a couple of miles away, while Marcy's house is very far from the house.
The answer to your problem
is 24ft