B. AC/EA = AB/DA because theyre equal slopes just different sizes
4(a-2)=3(a+4)
4a-8=3a+12
a=20
The best option is the first one (Six yards of rope costs $5.50). It is the lowest unit cost.
<u>Step-by-step explanation:</u>
For the given question case, first we should compare the unit costs of the choices provided and evaluate the best option.
Choice 1:
Six yards of rope costs $ 5.50

Choice 2:
Four yards costs $ 4.75

Thus, the best choice is the first one. Because it is the lowest unit cost.
Step-by-step explanation:
the answer as shown in the photo