Question
Risa, Gem and Zoe have 339 buttons altogether. After Gem gave Zoe 57 buttons and Zoe gave Risa 13 buttons, they all have equal number of buttons.
  1. How many buttons did each girl have in the end?
  2. How many buttons did Zoe have at first?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Risa, Gem and Zoe have 339 buttons altogether. After Gem gave Zoe 57 buttons and Zoe gave Risa 13 buttons, they all have equal number of buttons.
  1. How many buttons did each girl have in the end?
  2. How many buttons did Zoe have at first?