fatushhasan17 fatushhasan17
  • 27-05-2017
  • Mathematics
contestada

Riley is 3 years older than his sister. Which of the following expressions shows the sum of their ages if s represents Riley's sister's age?

A.3s
B.s + 3
C.2(s + 3)
D.2s + 3

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okayokay1 okayokay1
  • 27-05-2017
Total is 2s+3, It should be choice C.
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cfedd2002
cfedd2002 cfedd2002
  • 27-05-2017
a.3s because riley is 3 years times s
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