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.
Use Photomath that will help you on those type of problems.
Answer:
hope this helps :)
Step-by-step explanation:
Isolating a variable means rearranging an algebraic equation so that a different variable is on its own.
Answer:
0
Step-by-step explanation:
3x+2=2
or, 3x=2-2
or, x=0/3
:. x=0
if we take 2100 to be the 100%, what is 273 off of it in percentage?