In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations.
1 1 1
1 1 2
1 1 3 assuming at least 3 greeting card choicesposted by Damon
what is 20+40=posted by sheila
20 + 40 = 60posted by helper