If I can read the #'s correctly:
add the yes answers together 23+147 = 170
add the no answers together 112+48= 160
so your ratio of haves to have nots is 170 to 160
but both sides can be divided by 10, so it can be simplified to 17 to 16.
Good Luck!
Answer:
-3x^4 + 5x^3 - 33x^2 + 25x - 3
//Hope it helps and it's right.
When we solve for y, we want to isolate y by itself. To do so in this equation, we can divide both sides of the equation by 62...
y = 434/62 = 7
1/3 of all students bring lunch
2:3 is the ratio of students who bring their lunch to the number of students who do not