Answer:
? = 10
Step-by-step explanation:
Let " ? " be x.
5 / x = x / 20
x * x = 5 * 20
x² = 100
[ 100 = 10 x 10 = 10² ]
x² = 10²
x = 10
The 8 bar soap is a better deal.
I think the answer is g=12x
B. 5
<u>Answer is</u>: B. 5