The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 23x¢ |
Every additional 10 g or less | 8x¢ | |
Postcards | Per piece | 40¢ |
Will sent 5 postcards and a letter. The letter weighed 36 g. How much did Will pay in total? Give your answer in terms of x in the simplest form.