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14 November, 01:14

Riley is 3 years older than his sister. The sum of their ages if s represents Riley's sister's age is shown as

A. 3s

B. b s + 3

C. 2 (s + 3)

D. 2s + 3

+3
Answers (1)
  1. 14 November, 01:26
    0
    The algebraic expression that represents this is D. 2s + 3.

    Riley's sister - s

    Riley - s+3

    Total - s+s+3 = 2s+3

    Total - 2s + 3.
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