❄ Hi there,
, rounded to 3 DP (decimal places)

Why round? Because the entire number goes on for ever and ever.
So, we need to round. 1/6 rounded to 3 decimal places is 0.167. We have 3 numbers after the decimal point.
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the correnct answer is the 3rd one on the right .
Step-by-step explanation:
The reason is because the the point is on the negative to like it asked
I think the answer would be D.
There is 30 students from each grade so we have 30/120 already then add 12 from 9th grade math and add 10 more from 10th grade math, then add 7 from 12th grade math.
30 + 12 + 10 + 7 = 59
59/120 students.