Answer:
45 of the students are enrolled in Health class.
Step-by-step explanation:
Here, it's simple: a percentage is a fraction of 100. But what's 100 ÷ 2? Surprise! It's 50! We could multiply 50 by .9 to find our answer, but here, we could also just divide 90 by 2 to get 90 ÷ 2 = 45
And there we go. 45 students in Anna's grade take health.
Hope this helps you understand! Have a great day!
