611 of a bamboo pole was painted black.
411 of it was painted blue. The remaining 31 cm of the bamboo pole was painted green.
- What fraction of the bamboo pole was painted green?
- What was the length of the bamboo pole?
(a)
Fraction of the bamboo pole painted green
= 1 -
611 -
411=
111(b)
Length of green part of the bamboo pole = 1 u
1 u = 31
1 u = 31 ÷ 1 = 31
Length of the bamboo pole
= 11 u
= 11 x 31
= 341 cm
Answer(s): (a)
111; (b) 341 cm