An art teacher has 5 gallons of a mixture that is 80% paint and 20% water. If she needs to thin the paint mixture so that it is 20% paint and 80% water, how many gallons of water should she add.

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

mr. india

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6