You would have to go 25 times to make it worth getting option b
This might be wrong but I got 120/1008
Answer:
C. -4x - 1
Step-by-step explanation:

Distribute the term outside of the parenthesis, Multiply each term in the parenthesis by the term outside (do not forget to include the negative sign when multiplying);

Simplify,

Answer:
6
Step-by-step explanation:
the first thing I did to smome but you know 5AM was a l
Set up a proportion: 25/100 = 50/n where n = # of teens surveyed
Simplify fraction: 1/4 = 50/n
Cross multiply: n = 200
So 200 teens were surveyed.