I would solve this in the following way:
S = J - 1
F = 3S = (J+15)
3(J-1) = J + 15
3J - 3 = J + 15
2J = 18
J = 9
S = 8
F = 24
Jaylen T.
asked 01/31/20If J represents John's age, then which of the following equations could be used to solve the problem?
3(J + 15) = J - 1
J + 15 = 3J - 1
J + 15 = 3(J - 1)
I would solve this in the following way:
S = J - 1
F = 3S = (J+15)
3(J-1) = J + 15
3J - 3 = J + 15
2J = 18
J = 9
S = 8
F = 24
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