-6.5 which in your answer choices is a
You answer will be either 15% or 13%
First you have to do 440 / 20, which is 22 cents per bottle
Next you have to do 480 / 24, which is 20 cents per bottle
20 < 22, so the 24 ounces of shampoo is the correct answer.
For a single cake: c pounds.
for 20 cakes: t poucnds.
Thus, 20c=t
t=20c
