1. An office manager is selecting a water delivery service. Acme H2O charges a $15 fee and $7.50 per 5-gallon jug. Best Water charges a $24 fee and $6.00 per 5-gallon jug. How many 5-gallon jugs will the office have to buy each month for the cost of Best Water to be less than that of Acme H2O? Graph your solution on a number line.