Why might someone be interested in finding the midpoint between two community resources? Genuine question.

What is the smallest integer n such that n\sqrt{2} is greater than 20

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?