Question

Alice's grandmother age is a composite number between 70 and 80. This number has a factor of 11. What number is it ?

Answer 1

the answer is 77 because the only thing in between 70 and 80 with the factor of 11 is 77

Answer 2

The number would have to be 77 because between 70 and 80, 77 is the only number that is a product of eleven.