###### Exercise156

You are riding in a taxi and can only pay with cash. You have to pay a flat fee of \({\$20}\text{,}\) and then pay \({\$3}\) per mile. You have a total of \({\$110}\) in your pocket.

Let \(x\) be the number of miles the taxi will drive you. You want to know how many miles you can afford. Write an inequality to represent this situation in terms of how many miles you can afford:

Solve this inequality. At most how many miles can you afford?

You can afford at most miles.

Use interval notation to express the number of miles you can afford.