28.5k views
0 votes
Let C be collinear with and between A and B. Solve for n if:

AB = 15
AC = 4n + 3
CB = 8n + 7.5

User Mbb
by
4.8k points

1 Answer

6 votes

Answer:

0.375

Explanation:


AC+CB=AB \\ \\ 4n+3+8n+7.5=15 \\ \\ 12n+10.5=15 \\ \\ 12n=4.5 \\ \\ n=0.375

User Nits
by
4.6k points