Tim gave 40 / 2 = <<40/2=20>>20 balls to Robert.

Robert now has 25 + 20 = <<25+20=45>>45 balls.

# Answer

45
Question:
Robert had 25 balls. Tim gave him half of his 40 balls. How many balls does Robert have now?
Answer:
Let's think step by step.

user
45
Robert had 25 balls. Tim gave him half of his 40 balls. How many balls does Robert have now?
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