The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 12 g | 22f¢ |
Every additional 6 g or less | 10f¢ | |
Postcards | Per piece | 50¢ |
Will sent 3 postcards and a letter. The letter weighed 14 g. How much did Will pay in total? Give your answer in terms of f in the simplest form.