Answer:
30
Explanation:
90 = 12y - 30
add -30 from both sides
60 =2y
60/2 =2y/2
30 =y
hope this is okay
Joanne bought 12 tickets for 90 dollars. Because of a coupon, she got 30 dollars off. How much did each ticket cost? Write an equation where y is the cost of each ticket.
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