Awater tank holds 549 gallons but is leaking at a rate of 4 gallons per week. a second water tank holds 732 gallons but is leaking at a rate of 7 gallons per week. after how many weeks will the amount of water in the two tanks be the same?

In 61 weeks the two tanks will be the same

6.94% First, determine how many CDs that Sharon started with by multiplying 240 by 9/2. So 240 * 9/2 = 1080 Now what percent is 75 of 1080? Simple division will give you that. 75 / 1080 = 0.069444444 = 6.9444444% So Sharon had a 6.94% decrease in the number of CDs she had.