At a town fair, 9 tickets cost twelve dollars. How many tickets could you expect to receive for eight dollars, assuming there is no discount for buying more tickets?

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Question

At a town fair, 9 tickets cost twelve dollars. How many tickets could you expect to receive for eight dollars, assuming there is no discount for buying more tickets?

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texaschic101 · Answer

9/12 = x/8 (9 tickets to $12 = x tickets to $8)
now cross multiply...
(12)(x) = (9)(8)
12x = 72
Now divide both sides by 12,  leaving you with just x on the left side. Don't forget that what you do on one side of an equation, you have to do on the other side. Can you solve for x now ? (x being the number of tickets $8 will buy)