411 of a metallic rod was painted brown.
611 of it was painted purple. The remaining 27 cm of the metallic rod was painted grey.
- What fraction of the metallic rod was painted grey?
- What was the length of the metallic rod?
(a)
Fraction of the metallic rod painted grey
= 1 -
411 -
611=
111(b)
Length of grey part of the metallic rod = 1 u
1 u = 27
1 u = 27 ÷ 1 = 27
Length of the metallic rod
= 11 u
= 11 x 27
= 297 cm
Answer(s): (a)
111; (b) 297 cm