Answer:
The sum of 821 and 153 is 974.
Explanation:
It is 974 because 3 plus 1 is 4. That goes in the ones place. 2 plus 5 equals 7. That goes in the tens place. 8 plus 1 equals 9. That goes in the hundreds place. So it is 974.
821 + 153 = 974
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