Answer:

Step-by-step explanation:
Let 

In the 

In the 


eqn(1)
eqn(2)

Now in 
use Pythagorean theorem

Length can not be negative
Hence 

Hence
Step-by-step explanation:
3 tickets = $16.50
1 tickets = $16.50/3
= $5.5
2 tickets = $2×5.5
= $11.00
40 x 0.35 = 14
40 - 14 = 26
The price is $26.
Step-by-step explanation:
a square plus b squad plus c
1=2 -corresponding angle
2+3=180° (linear pair)
1+3=180°