Answer:
16.4
Step-by-step explanation:
If it is asking for the tenth it will be the 1st one after the point and you round it to the next one.
It's just 24.53 because the hundredth place is the 3, but the value after it is not high enough to round it up. Therefore, the answer is 24.53
Okay so 165 kids
10 for 1 instructor
just divide 165 by 10 ?
513 as a percentage of 900 can be re-written as;

= 57 percent