Answer:
68, 5, 21, 24x+8
Step-by-step explanation:
$62.50/ 5 tickets= $12.50/ticket.
The rate of cost per ticket is $12.50/ticket~
Answer:
Second option is the right choice.
Step-by-step explanation:
Divide the second equation by -5 and you'll get the equation same as first equation.

So, it has infinite many solutions.
Answer:
no Luke is not correct.
Step-by-step explanation:

Let's say the second piece is x ft long
The first piece is 2x ft long
The third piece is x+4 ft long
All of the pieces should add up to 10ft
x+2x+x+4=10
4x= 6
x=1.5ft
The first piece is 2x ft long=3 ft long