The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 29t¢ |
Every additional 10 g or less | 10t¢ | |
Postcards | Per piece | 90¢ |
Tommy sent 5 postcards and a letter. The letter weighed 34 g. How much did Tommy pay in total? Give your answer in terms of t in the simplest form.