M2endaJanequi M2endaJanequi

26-08-2016
Biology

contestada

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

Respuesta :

mpanderla95 mpanderla95

26-08-2016

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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