511 of a wooden block was painted gold.
411 of it was painted brown. The remaining 40 cm of the wooden block was painted yellow.
- What fraction of the wooden block was painted yellow?
- What was the length of the wooden block?
(a)
Fraction of the wooden block painted yellow
= 1 -
511 -
411=
211(b)
Length of yellow part of the wooden block = 2 u
2 u = 40
1 u = 40 ÷ 2 = 20
Length of the wooden block
= 11 u
= 11 x 20
= 220 cm
Answer(s): (a)
211; (b) 220 cm