A way to add fractions that always works is to multiply each numerator by the denominator of the other, then express the sum of products over the product of the denominators.

Here, you have
The sum is -1 1/12
Statistical questions: A, C, E, because they all talk about students, where B and D talk about adults and people in general. Frank just wants to know about students.
3 1/2 divided by 2 1/4 = 1.55555556
1.55555556 Rounded is 1.55
Answer:
8 cups of hot chocolate
Step-by-step explanation: