Paul has $60 and earns $7.50 per hour. How many hours, x, does Paul need to work in order to save at least y dollars?
On a treadmill, Gary has already burned 60 calories. He can burn an additional 7.5 calories per minute. How many more minutes, x, does Gary need to walk on the treadmill in order to burn more than y calories?
Vickie has $60 and raises $7.50 for each flower basket she sells. How many flower baskets, x, should Vickie sell in order to earn over y dollars?