The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 10 g | 20j¢ |
Every additional 5 g or less | 11j¢ | |
Postcards | Per piece | 70¢ |
Xavier sent 5 postcards and a letter. The letter weighed 13 g. How much did Xavier pay in total? Give your answer in terms of j in the simplest form.