How many three foot wide pieces of fencing are needed to surround the
perimeter
of
a yard that is 15 feet long and 24 feet wide?
a)
13
b)
26
c)
39
d)
78

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

b is the right answer