Mathematics, 27.09.2019 08:30 c1100321311
Steven is three times as old as jenny. the sum of their ages is 63. let s be steven’s age and j be jenny’s age. select the system of equations that represent the problem?
( a) s=3j
s+j=63
(b) s=j+3
s+j=63
(c) s=3j
sj=63
Answers: 1
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