Q: Each bank teller has 10 rolls of coins. Each roll has 25 coins. How many coins do four bank tellers have in all?
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A: Each bank teller has 10 x 25 = <<10*25=250>>250 coins.
Thus, four bank tellers have 250 x 4 = <<250*4=1000>>1000 coins. The answer is  1000.
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