Hey, Melany. To answer this problem, simply set up a proportion:
. Now let's solve for x.
- Cross multiply:
- Isolate x:

This means that x = 24.
There are 24 9th graders in the band.
Answer:
-2x - 6
Step-by-step explanation:
-2(x + 3)
-2 · x = -2x
-2 · 3 = -6
-2x - 6
Answer:
n = 64
Step-by-step explanation:
We can solve using cross products
10/15 = n/96
10*96 = 15*n
960 = 15n
Divide each side by 15
960/15 =15n/15
64 = n
Answer: yes
Step-by-step explanation:
Yes they do on their website!!