Question
There were some pink, purple and grey pens in a box. 213 of the pens were purple. The ratio of the number of pink pens to the number of grey pens was 4 : 7. There were 260 fewer purple pens than grey pens.
  1. Find the ratio of the number of pink pens to the number of purple pens to the number of grey pens in the box.
  2. How many grey 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 pink, purple and grey pens in a box. 213 of the pens were purple. The ratio of the number of pink pens to the number of grey pens was 4 : 7. There were 260 fewer purple pens than grey pens.
  1. Find the ratio of the number of pink pens to the number of purple pens to the number of grey pens in the box.
  2. How many grey pens were there?