811 of a wooden block was painted black.
211 of it was painted gold. The remaining 47 cm of the wooden block was painted red.
- What fraction of the wooden block was painted red?
- What was the length of the wooden block?
(a)
Fraction of the wooden block painted red
= 1 -
811 -
211=
111(b)
Length of red part of the wooden block = 1 u
1 u = 47
1 u = 47 ÷ 1 = 47
Length of the wooden block
= 11 u
= 11 x 47
= 517 cm
Answer(s): (a)
111; (b) 517 cm