The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 28f¢ |
Every additional 10 g or less | 8f¢ | |
Postcards | Per piece | 70¢ |
Harry sent 5 postcards and a letter. The letter weighed 33 g. How much did Harry pay in total? Give your answer in terms of f in the simplest form.