Tyler has $100. If he buys 8 scissors for $5 each and 10 erasers for $4 each, how much of his money remains? Let's think first. Chain of thought:
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8 * $5 = $40 is the price of 8 scissors. 10 * $4 = $40 is the price of 10 erasers. You can find the total price by adding the cost of the scissors and erasers: $40 + $40 = $80. $100 - $80 = $20 is the remaining amount of his money.
Therefore, the answer is 20.
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