You cannot do it that way. Make sure the question you wrote is correct, because you would divide 5 by 100, not 100 by 5. A simple way is to move the decimal point two points to the left. 5% as a decimal is 0.05.
The answer is false if the question is written this way.
What's a midpoint I never learned what a midpoint is and this is not an answer
She is going to 5 classes 3×5 = 15 and 15÷3=5
30.50-14= 16.50
16.50 divided by 2.75= 6
The answer is 6
When adding fractions you need to get common denominators then you multiply too times bottom and then boom add and there you go