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Question: Joeys cashbox contained $7.60 innickels and dimes he had 102 coins in all. how many nickels and dimes?

(Posted by: Buck Block Trapp on 2010-02-05 06:51:13)

Do he have

Answers:

Posted by: Jonathan Nguyen on 2010-02-05,06:55:40

You do the following: 10x for dimes 5y for nickels. 10x + 5y = $7.60 and.. i got lazy after this, sorry. :3

Posted by: Chris on 2010-02-05,06:58:32

50 dimes 52 nickels Best?

Posted by: sd3r on 2010-02-05,07:03:31

N + d = 102 d = 102 - n .05n + .10d = 7.60 sub for d... .05n + .10(102 - n) = 7.60 .05n + 10.2 - .10n = 7.60 10.2 - 7.60 = .10n - .05n 2.60 = .05n n = 52 d = 102 - n = 50 52 nickels 50 dimes

Posted by: Shah K on 2010-02-05,08:45:11

52 nickels 50 dimes As already worked by sd

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