The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 16 g | 28t¢ |
Every additional 8 g or less | 7t¢ | |
Postcards | Per piece | 70¢ |
Zeph sent 4 postcards and a letter. The letter weighed 29 g. How much did Zeph pay in total? Give your answer in terms of t in the simplest form.