311 of a bamboo pole was painted pink.
411 of it was painted red. The remaining 40 cm of the bamboo pole was painted brown.
- What fraction of the bamboo pole was painted brown?
- What was the length of the bamboo pole?
(a)
Fraction of the bamboo pole painted brown
= 1 -
311 -
411=
411(b)
Length of brown part of the bamboo pole = 4 u
4 u = 40
1 u = 40 ÷ 4 = 10
Length of the bamboo pole
= 11 u
= 11 x 10
= 110 cm
Answer(s): (a)
411; (b) 110 cm