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John had 25 marbles and lost 7. How many marbles does he have now?
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18
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17
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16
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15
That's Correct!
It's Wrong!
John began with 25 marbles. Unfortunately, he lost 7 of them. To find out how many marbles he has left, we subtract the number of lost marbles from his original total. Hence, the calculation is 25 (initial marbles) - 7 (lost marbles) = 18 marbles. John now has 18 marbles.
