18) The school that John goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 3 senior citizen tickets and 5 student tickets for a total of $71. The school
took in $190 on the second day by selling 10 senior citizen tickets and 12 student tickets. Find
the price of a senior citizen ticket and the price of a student ticket.

Student ticket=$10. Senior ticket=$7

Step-by-step explanation:

If we say Student ticket price = Y. and senior ticket price = X. Then we can say:

We can rewrite one of the equations as y equals:

Then, we simply solve for x.

Then, we use the other equation and replace x with the equation we just solved

We simplify and it becomes:

Then we subtract 57 from each side and get:

Next, we combine the y and get:

Then we divide by 1.4 and get:

This means that the cost per student ticket is $10

Next we replace the y value in an equation with 10 and solve:

Then we subtract 50 from each side:

Finally, we divide each side by 3:

This means that each senior ticket costs $7

i think the length is 12 and the width is 17