Tom and Brian are hiking towards each other at the opposite ends of a trail that is 21 miles long. Tom hikes uphill at a speed o
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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
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Answer:
9 to 7 = 45 to 35..
Step-by-step explanation:
Given function:
- 9 to 7 = 45 to x
<u><em>to find x:</em></u>
- divide 45 by 9
- if 9·5=45 then x would be 7·5..
·
Therefore, x=35.