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Mike had some candies. He gave 15 of them to his friend. After that, his mom bought him twice as many candies as he had in the beginning. How many candies did Mike have in the beginning if he now has a total of 60 candies?

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sqdancefan

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.