Question
Paul, Simon and Tim had a total of 360 marbles at first. After a week, the number of Paul's marbles became 3 times the number of marbles he had at first. The number of Simon's marbles decreased by 220. Tim 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 Tim 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

Paul, Simon and Tim had a total of 360 marbles at first. After a week, the number of Paul's marbles became 3 times the number of marbles he had at first. The number of Simon's marbles decreased by 220. Tim 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 Tim have at first?
  2. What was the total number of marbles that the three boys had in the end?