SOLUTION: The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 75 feet and 10-foot wa

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 75 feet and 10-foot wa      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 977572: The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 75 feet and 10-foot walls requires 7.5 quarts of paint, find the amount of paint needed to cover the walls of a room with the perimeter of 35 feet and 10-foot walls.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
L, amount of paint.
p, perimeter
h, wall height
k, variation constant
L=k%2Ap%2Ah

k=L%2F%28ph%29
k=7.5%2F%2875%2A10%29
k=1%2F100
-
highlight_green%28L=%281%2F100%29%2Aph%29, formula for quarts of paint.

The question's answer:
L=%281%2F100%29%2A35%2A10, quarts of paint