Question

Jennys great-grandmother is 90 years old. jenny is 12 years old. what percent of Jennys great grandmothers age Jennys age?

I need the answer and how to solve the problem

Answer 1

`13 1/3%`

Explanation:

`12/90=x/(100%)`

cross multiply

`1200% =90x`

`13 1/3%=x`