511 of a wooden block was painted pink.
511 of it was painted red. The remaining 32 cm of the wooden block was painted black.
- What fraction of the wooden block was painted black?
- What was the length of the wooden block?
(a)
Fraction of the wooden block painted black
= 1 -
511 -
511=
111(b)
Length of black part of the wooden block = 1 u
1 u = 32
1 u = 32 ÷ 1 = 32
Length of the wooden block
= 11 u
= 11 x 32
= 352 cm
Answer(s): (a)
111; (b) 352 cm