The answer to this question is 4 groups.
The diagonals bisect each other
So the total amount of paper is 4/4 right?
And she kept 3/4.
So we have to minus 3/4 from 4/4.
Because it has the same denominator we need not change it to similar one.So 4-3 is one.
So answer is 1/4
Yes it is because 4+4=8 and 8 is larger than 7
