Answer:
7
Step-by-step explanation:
n+4n=35
5n=35
5n/5=35/5
n=7
Y=-3x+7
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Hope this helps you
Answer:
7 girls can go in the first place, 6 in the second, etc.
7! ways is the number of ways to arrange the girls.
likewise the boys can be arranged in 7! ways
The total number of ways becomes 7! * 7!
7! * 7! = 25,401 600 ways
