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2 votes
Which of the following expressions represents the sum of a number and twenty-one?

n + 21
n + 12
21n
n - 21

1 Answer

4 votes
option 1 would be the correct answer because if you look closely you will see that it says

"the sum of a number" n= that number

and twenty-one comes after that number "n"
User Hridya Pv
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