Question
Oliver, Zeph and Simon had a total of 482 marbles at first. After a week, the number of Oliver's marbles became 4 times the number of marbles he had at first. The number of Zeph's marbles decreased by 131. Simon had half as many marbles as he had at first. In the end, the three boys had the same number of marbles.
  1. How many marbles did Simon have at first?
  2. What was the total number of marbles that the three boys had in the end?
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Oliver, Zeph and Simon had a total of 482 marbles at first. After a week, the number of Oliver's marbles became 4 times the number of marbles he had at first. The number of Zeph's marbles decreased by 131. Simon had half as many marbles as he had at first. In the end, the three boys had the same number of marbles.
  1. How many marbles did Simon have at first?
  2. What was the total number of marbles that the three boys had in the end?