Weekly math problem

Question

If it costs 10.00 with a .75 fee for every 1000 gallons of water how many gallons of water can you use and still have a monthly bill of 55.00 or less

Answer 1

x is the # of gallons in THOUSANDS

55 = 10 + 0.75*x

45 = 0.75x

x =60

60000 gallons