Question
There were some yellow, white and pink pens in a box. 110 of the pens were white. The ratio of the number of yellow pens to the number of pink pens was 4 : 5. There were 256 fewer white pens than pink pens.
  1. Find the ratio of the number of yellow pens to the number of white pens to the number of pink pens in the box.
  2. How many pink pens were there?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

There were some yellow, white and pink pens in a box. 110 of the pens were white. The ratio of the number of yellow pens to the number of pink pens was 4 : 5. There were 256 fewer white pens than pink pens.
  1. Find the ratio of the number of yellow pens to the number of white pens to the number of pink pens in the box.
  2. How many pink pens were there?