The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 16 g | 28b¢ |
Every additional 8 g or less | 11b¢ | |
Postcards | Per piece | 50¢ |
Archie sent 4 postcards and a letter. The letter weighed 36 g. How much did Archie pay in total? Give your answer in terms of b in the simplest form.