Question
There were some black, gold and silver pens in a box. 213 of the pens were gold. The ratio of the number of black pens to the number of silver pens was 4 : 7. There were 265 fewer gold pens than silver pens.
  1. Find the ratio of the number of black pens to the number of gold pens to the number of silver pens in the box.
  2. How many silver 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 black, gold and silver pens in a box. 213 of the pens were gold. The ratio of the number of black pens to the number of silver pens was 4 : 7. There were 265 fewer gold pens than silver pens.
  1. Find the ratio of the number of black pens to the number of gold pens to the number of silver pens in the box.
  2. How many silver pens were there?