Question
310 of a plank was painted green. 310 of it was painted grey. The remaining 28 cm of the plank was painted black.
  1. What fraction of the plank was painted black?
  2. What was the length of the plank?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

310 of a plank was painted green. 310 of it was painted grey. The remaining 28 cm of the plank was painted black.
  1. What fraction of the plank was painted black?
  2. What was the length of the plank?