The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 16 g | 26n¢ |
Every additional 8 g or less | 9n¢ | |
Postcards | Per piece | 60¢ |
Rael sent 4 postcards and a letter. The letter weighed 37 g. How much did Rael pay in total? Give your answer in terms of n in the simplest form.