7. Which expression is equivalent to 2r(2.5s + 10) - 3(r + 4) + s(r - 1)? A. 6rs + 23r - 13 B 6rs + 17r - 13 С 6rs + 23r + S + 12 D 6rs + 17r - S - 12

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asked Mar 12, 2022 41.6k views

5 votes

7.

Which expression is equivalent to 2r(2.5s + 10) - 3(r + 4) + s(r - 1)?

A. 6rs + 23r - 13

B

6rs + 17r - 13

С

6rs + 23r + S + 12

D

6rs + 17r - S - 12

Mathematics
high-school

Joril asked

by Joril

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D is the correct answer. Here’s my work to confirm it.

7. Which expression is equivalent to 2r(2.5s + 10) - 3(r + 4) + s(r - 1)? A. 6rs + 23r-example-1

Zerowalker answered Mar 15, 2022

by Zerowalker

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