Let’s say the equation is 7w + 9w = x. We need to solve for x (also known as the answer). The “w” cancel each other out. We’re left with 7 + 9 = x. 16=x
Home Water Works says that in most homes, showers are the third-largest user of water after toilets and clothes washers. The average American shower water usage is 17.2 gallons with the average shower length being 8.2 minutes. The average flow rate is 2.1 gallons per minute.
