√5 is the wrong position This is approximately 2.24 so the dot should be between the 2 and 3 while she has put it between 1 and 2.
Answer:
<u>Answer</u><u>:</u><u> </u><u>3</u><u>5</u><u>/</u><u>1</u><u>8</u>
Step-by-step explanation:

use the reciprocal of 9/10 :

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<em>NOT VALID</em>
I guess 60 people may be because if atleast 10 people makes ticket reduce to $5 so there must be 60 people