211 of a metallic rod was painted silver.
811 of it was painted red. The remaining 36 cm of the metallic rod was painted purple.
- What fraction of the metallic rod was painted purple?
- What was the length of the metallic rod?
(a)
Fraction of the metallic rod painted purple
= 1 -
211 -
811=
111(b)
Length of purple part of the metallic rod = 1 u
1 u = 36
1 u = 36 ÷ 1 = 36
Length of the metallic rod
= 11 u
= 11 x 36
= 396 cm
Answer(s): (a)
111; (b) 396 cm