311 of a bamboo pole was painted silver.
211 of it was painted black. The remaining 30 cm of the bamboo pole was painted gold.
- What fraction of the bamboo pole was painted gold?
- What was the length of the bamboo pole?
(a)
Fraction of the bamboo pole painted gold
= 1 -
311 -
211=
611(b)
Length of gold part of the bamboo pole = 6 u
6 u = 30
1 u = 30 ÷ 6 = 5
Length of the bamboo pole
= 11 u
= 11 x 5
= 55 cm
Answer(s): (a)
611; (b) 55 cm