Question

Fran needs to paint her bedroom walls pink. The paint is made from 1 part red
paint, 3 parts white. Her room is rectangular, 4m by 3m and walls are 2m high. 1
litre of paint covers 7m2

. How much white paint is used?

Answer 1

2(4*2 + 3*2) m^2 * 1L/7m^2 = 4 L
3/4 of that is white, so 3L white and 1L red

Answer 2

thanks!