There is not enough information to solve this question.
8X10/96 8 times 10 divided by 96<span />
Use doubles to multipy. 7*2 is 14 right. Hope I helped.
Answer:
all except for D. he can build A, B, C and E out of the available pieces of fence.
but A violates the overall goal of a circumference of 30ft.
and E violates the overall goal of the garden having 4 sides.
D cannot be built, because it would require 3 pieces of 9 ft (and we have only 2).