12/50=24% of student bring lunch so 24%-524=398 student buy lunch out of 524
Answer: (0,-2)
Step-by-step explanation: uhdehdwhehehhH
Since AB and BC are two parts of AC, AC = AB + BC
let's plug the expressions from the question into our equation above.
19 = 3x + 1 + 2x - 7
Combine like terms
19 = 5x - 6
Add 6 to both sides.
25 = 5x
Divide both sides by 5
5 = x
You would each get 1/10 of a pound of trail mix