Ivanna takes classes at both Westside Community College and Pinewood Community College. At Westside, class fees are

Question

$98 per credit hour, and at Pinewood, class fees are $115 per credit hour. Ivanna is taking a combined total of
12 credit hours at the two schools.
Suppose that she is taking w credit hours at Westside. Write an expression for the combined total dollar amount she paid for her class fees.

Answer 1

if w at Westside, then the rest (12-x) are at Pinewood. So,

98w + 115(12-w)