I would like to help but, I need more background information.
This looks like an incomplete answer to me...
I cannot see any diagram or window or opening, or any lines that indicate they are line AC or BD.
Answer:
0.0334
Step-by-step explanation:
(4.575 ÷ 275) × 2
0.0167 * 2
Hope this helps!
The correct answer is 15.
The parents could have 3 boys and 3 girls in 400 ways
<h3>How to determine the number of ways?</h3>
The given parameters are
Children, n = 6
Boys, r = 3
Girls, r =3
The number of combination is:

So, we have:

Apply the combination formula

This gives
Ways = 400
Hence, the parents could have 3 boys and 3 girls in 400 ways
Read more about combination at:
brainly.com/question/11732255
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