Pop # of students
who preferred it
Coke
18
Pepsi
24
RC Cola
11
According to the table above, what are the chances that someone randomly selected from this group does not prefer RC Cola over Pepsi or Coke?
7996
8996
2196
1196

no, because the sides are not congruent

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0

answer: 0.64

step-by-step explanation: