Jake earns $7.50 per hour working at a local car wash. the function, f(x)=7.50x, relates the amount jake earns to the number of hours he works. write the inverse of this relation.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?