Question

Samuel and Joyce both bought CDs. Samuel bought 3x CDs and Joyce bought 2x-1 CDs.

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Part A: If each CD had a regular price of $18 and a discount of $2, then which expression would show the amount of discount for all of their CDs?

Part B: What is the expression for the COST of their CDs, combined (ignore tax)?

Answer 1

Explanation:

Part A: 3(-2) + 2(-2)

Part B: [3(8) + 2(18) - 1] - [3 + 2(-2)]

Price Discount