The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 16 g | 30g¢ |
Every additional 8 g or less | 9g¢ | |
Postcards | Per piece | 60¢ |
Will sent 4 postcards and a letter. The letter weighed 39 g. How much did Will pay in total? Give your answer in terms of g in the simplest form.