(x^2)+4x-12=48
I Hope this is what you were looking for. If it isn't this just plug it in
x=6
Answer:
5x + 6
Step-by-step explanation:
4x - 3 + 2x + 1 - x + 8
= 4x + 2x - x -3 + 1 +8
= 5x + 6
62.50/5=12.50 for each tour
500/12.50 = 40 tours
√85 = 9.219544457
9.219544457 / π = 2.93467214
Round the answer as needed.