Question

A grandmother says her grandson is two years older than her granddaughter and that togther, they are at least 12 years old. how old are her grandson and granddaughter

Answer 1

x will be the granddaughter's age
x=2 will be the grandson's age.

x + x + 2 ≥ 12 Collect like terms.
2x ≥ 12 Divide both sides by 2. x ≥ 6 years x + 2 ≥ 8 years