Question

Alice's grandmothers age is a composite number between 70 and 80 and has a factor of 11 what is it

Answer 1

The factor of 11 is going to be 77 because you have to stay in between 70 to 80

and 7 times 11 is 77. It also has to be a number in the 11 timetables. It can't be 88 because we can't cross 80 so the factor is going to be 77.

Hope it helps

Answer 2

Well the only numbers that could be factors of 11 and stay between 70 and 80 would have to be 77.