Answer:
Emma is 111 months old
Explanation:
We know that one year has 12 months:
Therefore:
9 years have 12*9 = 108 months
0.25 of a year = 0.25 * 12 = 3 months
Since Emma is 9.25 years old, therefore:
Emma is 108 + 3 = 111 months old
Hope this helps :)
