The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 8 g | 28g¢ |
Every additional 4 g or less | 7g¢ | |
Postcards | Per piece | 70¢ |
Glen sent 2 postcards and a letter. The letter weighed 18 g. How much did Glen pay in total? Give your answer in terms of g in the simplest form.