Question
Esther has 15 black and grey cards. She has 9 more black cards than grey cards. Find
  1. The number of grey cards she has.
  2. The number of black cards she has.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Esther has 15 black and grey cards. She has 9 more black cards than grey cards. Find
  1. The number of grey cards she has.
  2. The number of black cards she has.