If Emily is 2 years older than Jessica, and Jessica is 10 years older than Gaby, and the sum of their ages is 70 years old, how old are they?
Added by Bradley S.
Step 1
Let Gaby's age be \( G \). Then, Jessica's age can be expressed as \( J = G + 10 \) (since Jessica is 10 years older than Gaby), and Emily's age can be expressed as \( E = J + 2 = (G + 10) + 2 = G + 12 \) (since Emily is 2 years older than Jessica). Show more…
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