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Juan deposited $300 consisting of tens and twenties into his bank account. He deposited...
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Juan deposited $300 consisting of tens and twenties into his bank account. He deposited 6 more tens than twenties. Let the number of twenties deposited be N, the number of tens deposited is N + 6.
N*20 + (N +6)*10 = 300
=> 20N + 10N + 60 = 300
=> 30N = 240
=> N = 8
Juan deposited 8 twenties and 14 tens.
Posted by justaguide on April 26, 2013 at 4:21 PM (Answer #1)
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