Problema Solution
Keira's grandmother is 2 years older than seven times the age of Keira. The grandmother is 65. How old is Keira ?
Answer provided by our tutors
let
k = the age of Keira
g = 65 the age of her grandmother
Keira's grandmother is 2 years older than seven times the age of Keira:
g = 2 + 7k
2 + 7k = g
2 + 7k = 65
by solving we find:
k = 9 years
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Keira is 9 years old.