Answer :
Answer:
25 candies
Step-by-step explanation:
If Mike had kept the candies instead of giving them away, his total would be 75 candies. This is the original amount plus twice the original amount, or 3 times his original amount.
Then the original amount was 75/3 = 25 candies.
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Check
Mike had 25 candies and gave away 15, so had 10 after that gift. His mom bought him 50 more, so then his total was 60, as the problem says.