Which expression is equivalent to 81 + 18? A. 9(9 + 2) B. 9(9 + 9) C. 9(9 + 3) D. 3(27 + 18)

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asked Jul 17, 2022 52.1k views

4 votes

Which expression is equivalent to 81 + 18?

A. 9(9 + 2)
B. 9(9 + 9)
C. 9(9 + 3)
D. 3(27 + 18)

Mathematics
high-school

Matt Jordan asked

by Matt Jordan

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2 Answers

5 votes

Answer:

9(9+2)

Explanation:

81+18=99

Now

$\\ \rm\Rrightarrow 9(9+2)$

$\\ \rm\Rrightarrow 81+18$

$\\ \rm\Rrightarrow 99$

Hence verified.

Duyuanchao answered Jul 20, 2022

by Duyuanchao

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3 votes

Answer:

A. 9(9 + 2)

Explanation:

81 + 18 = 99

A. 9(9 + 2) = 99, correct
B. 9(9 + 9) = 198 ≠ 99
C. 9(9 + 3) = 108 ≠ 99
D. 3(27 + 18) = 135 ≠ 99

Noran answered Jul 23, 2022

by Noran

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