Answer: B
Step-by-step explanation:
The answer is 10 because you have to use the rules of BEDMAS
Do a proportion. 28/100= 7/x. Now cross multiply and divide. 7 x 100=700 and 700 divided by 28 is 25. There are 25 students in the class. Answer is 25
The answer would be 50 for the question 8 becuase u do the opposite which is 86 divided by 2 and then add seven