4. To simplify the expression, multiply J by 1 + the rate:
The expression would be j(1.05)
New price = 35(1.05) = 36.75
5. multiply the cost of each ( t-shirt and cd) by the number of cds bought:
Total = 12x + 7.50x
Simplify by adding the price of each together:
Total = 19.5x
