The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 12 g | 21g¢ |
Every additional 6 g or less | 11g¢ | |
Postcards | Per piece | 50¢ |
Brandon sent 3 postcards and a letter. The letter weighed 22 g. How much did Brandon pay in total? Give your answer in terms of g in the simplest form.