D) A water tank holds 256 gallons, but is leaking at a rate of 3 gallons each week. After how many weeks will the tank contain only 193 gallons of water?

21 Weeks

Step-by-step explanation:

First you need to find the amount of water lost:

256-193 = 63

Then divide by 3

63/3 = 21

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.