SOLUTION: PLEASE HELP ME ANSWER THIS find the number of square meters of sawali needed for the walls and ceiling of a room 3 meters wide, 4 meters long and 2.5 meters high deducting 8 squ

Algebra ->  Volume -> SOLUTION: PLEASE HELP ME ANSWER THIS find the number of square meters of sawali needed for the walls and ceiling of a room 3 meters wide, 4 meters long and 2.5 meters high deducting 8 squ      Log On


   



Question 783324: PLEASE HELP ME ANSWER THIS
find the number of square meters of sawali needed for the walls and ceiling of a room 3 meters wide, 4 meters long and 2.5 meters high deducting 8 square meters for doors and windows. Find the cost of sawali at 38 pesos per square meters...
thank you very much....

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Surface Area:
2 x 3m * 2.5m = 15m^2
2 x 4 * 2.5m = 20m^2
1 x 3m * 4m = 12m^2
Total = 47m^2
Deduct - 8m2
Final Total = 39m^2
39 * 38 pesos = 1,482 pesos.
= 112.30 American dollars.
Hope this helps
:-)