3x^2-18+5=47
3x^2 = 60
x^2 = 20
x = 4.472 , x = - 4.472
Answer:

Step-by-step explanation:
Given
per person
Required
Represent as an equation
For 1 person, the admission fee is 2
For p people, the admission fee will be 2p.
Hence:

1-4 are not there but here it is without them
Answer:
look it up
Step-by-step explanation: