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Mathematics 19 Online
Huntertheflipper:

Jordan is twice the age of Luke who is 5 years older than Erin if their total ages are 59, how old is Erin?

Vocaloid:

let J = jordan's age, L = luke's age, E = erin's age "jordan is twice the age of luke" ---> J = 2L "luke, who is 5 years older than erin" ---> L = E + 5 "total ages are 59" ---> L + J + E = 59 solve the system of equations for E

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