My question is: Tom needs to buy a new gaming system. He trades in his super Nintendo for an original NES. The SNES is worth $150 and the store gives him 80% of that value. He gives $80 and gets back $10 change and a game worth $30. How much was the NES on sale for? Your thoughts:
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He traded in the SNES for 150 * .8 = $120. Including the money he gave, he spent 120 + 80 = $200. He got 10 + 30 = $40 in change. So the NES cost 200 - 40 = $160. The final answer: 160.
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