The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 16 g | 21t¢ |
Every additional 8 g or less | 11t¢ | |
Postcards | Per piece | 90¢ |
Asher sent 4 postcards and a letter. The letter weighed 39 g. How much did Asher pay in total? Give your answer in terms of t in the simplest form.