| City | Municipal solid waste recycled (%) |
|---|---|
| Curitiba | 42.4 |
| Santiago | 18.8 |
| Bogotá | 17.5 |
| Buenos Aires | 15.6 |
| Montevideo | 13.1 |
| São Paulo | 10.8 |
| Lima | 9.4 |
| Quito | 6.8 |
Using the data above, calculate the mean percentage of municipal solid waste recycled in these cities.
You must show your working. Give your answer to one decimal place.