The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 22a¢ |
Every additional 10 g or less | 12a¢ | |
Postcards | Per piece | 60¢ |
Carl sent 5 postcards and a letter. The letter weighed 33 g. How much did Carl pay in total? Give your answer in terms of a in the simplest form.