A) The greatest number of museum tickets that can be sold for $21 is 14 tickets.
B) Use the equation below:
Rise ÷ Run
You can use (4 tickets, 6 dollars) as one point. You rise up by 6 dollars and run by 4 tickets so now you have to do rise÷run which is 6÷4. That means the answer is $1.50, so one ticket costs $1.50
C)
c= total amount of money
n= number of muesuem tickets bought
c=1.50n
(I believe this is the right answer, I'm not too sure)
