1. One ring costs x cruzeiros. One piece of candy costs y cruzeiros. I want one of each,
How much do I have to pay you?
2. The pen costs x cruzeiros. I am paying you with a y-cruzeiros bill. How much is my
change?
3. Each pencil costs x cruzeiros. I want y pencils. How much do I have to pay?
4. You're selling x cars for y cruzeiros but I only want one. How much does one car cost?
5. I want to buy this pen that costs x cruzeiros. I am paying you with this y-cruzeiros
bill. How much change will you give me)