Question
Xuan and her brother have some marbles. Xuan had 54 more marbles than her brother. After Xuan gave her brother 23 marbles, her brother has 86 marbles now.
  1. How many marbles did her brother have at first?
  2. How many marbles does Xuan have now?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Xuan and her brother have some marbles. Xuan had 54 more marbles than her brother. After Xuan gave her brother 23 marbles, her brother has 86 marbles now.
  1. How many marbles did her brother have at first?
  2. How many marbles does Xuan have now?