Asked by Anonymous
gabriel is 3 years younger than frank. when their ages are doubled frank is 6 years older than gabriel. finally the current total of their ages right now is 17.which of the following could be gabriel's age right now?
Answers
Answered by
PsyDAG
G = F - 3
G + F = 17
Substitute F-3 for G in the second equation and solve for F. Insert that value into the first equation to solve for G. Check by putting both values into the second equation.
G + F = 17
Substitute F-3 for G in the second equation and solve for F. Insert that value into the first equation to solve for G. Check by putting both values into the second equation.
Answered by
Henry
Frank is X years old.
Gabriel is x-3 years old.
When their ages are doubled:
Frank is 2x years old.
Gabriel is 2x-6 years old.
x + (x-3) = 17.
2x-3 = 17
X = 10 years = Frank's age.
x-3 = 10-3 = 7 years = Gabriel's age.
Gabriel is x-3 years old.
When their ages are doubled:
Frank is 2x years old.
Gabriel is 2x-6 years old.
x + (x-3) = 17.
2x-3 = 17
X = 10 years = Frank's age.
x-3 = 10-3 = 7 years = Gabriel's age.
Answered by
Anonymous
Thank you very much
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