Question

A six-pack of 12-ounce sodas sells for $2.50. The expression 2.50n represents the cost of a number of six-packs. What does the variable n represent?

Answer 1

The $2.50 is the cost of the six pack the n refers to the number of six packs purchased

Answer 2

N represents the amount of six-packs you purchase.
For example, If I buy 3 six-packs of soda, the expression would be 2.50(3) = $7.50, where n is 3.