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25 April, 03:40

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

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Answers (1)
  1. 25 April, 07:19
    0
    The answer would be A because S = 3J shows that steven (S) is (=) 3 times older than Jenny 3J

    And S + J = 63 shows that the sum of their ages (S + J) is equal to 63 ( = 63)
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