The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 20g¢ |
Every additional 10 g or less | 5g¢ | |
Postcards | Per piece | 80¢ |
Seth sent 4 postcards and a letter. The letter weighed 36 g. How much did Seth pay in total? Give your answer in terms of g in the simplest form.