Question
Opal and her brother have some marbles. Opal had 56 more marbles than her brother. After Opal gave her brother 37 marbles, her brother has 79 marbles now.
  1. How many marbles did her brother have at first?
  2. How many marbles does Opal have now?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Opal and her brother have some marbles. Opal had 56 more marbles than her brother. After Opal gave her brother 37 marbles, her brother has 79 marbles now.
  1. How many marbles did her brother have at first?
  2. How many marbles does Opal have now?