Heather and her friends are painting the
walls of a storage room in the basement.
Each wall is 9 m long and 2 m high. There
are two doors, each 1 m wide and 2 m
high. The doors are not being painted. A)One litre of paint covers 10 m². How
many litres will heater need?
B) the price of the paint is $3.75/L. How much will the paint cost?

Respuesta :

Answer:

  • a) 6.8 L, b) $25.50

Step-by-step explanation:

Find the area to be painted:

  • 4*(9*2) - 2*(1*2) =
  • 72 - 4 =
  • 68 m²

a) Paint needed:

  • 68/10 = 6.8 L

b) Cost of paint:

  • 6.8*$3.75 = $25.50