Answer: C. Along the rows and columns .
Step-by-step explanation:
Answer: The total cost would be 37.95
Step-by-step explanation:
This means that if b doubles, then a will become half as large. For the inverse of the ratio 2 to 1 ("doubles") is the ratio 1 to 2 ("half"). The terms are exchanged; the inverse of the ratio a : b is the ratio b : a.
When a varies inversely as b, we say that a is inversely proportional to b.

do a FOIL on it to get the product, or just use the binomial theorem to expand the binomial and simplify