4. if you buy a car wash at the gas station for $5.00, the cost per gallon is $3.10. if you have $40, write and
solve a linear equation to find the number of gallons of gas you can afford.
5. write your own word problem that involves rate of change, then write the
equation represents it.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%