SOLUTION: After a day at his lemonade stand, Joey’s cashbox contained $7.60 in nickels and dimes. There were 102 coins in all. How many nickels, and how many dimes, did Joey have?

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Question 458409: After a day at his lemonade stand, Joey’s cashbox contained $7.60 in nickels and dimes. There were 102 coins in all. How many nickels, and how many dimes, did Joey have?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n+d=102
.05n+.1d=7.60
5n+10d=760
5n+5d=510
5d=250
d=50
n=52
Joey had 52 nickels (2.60) and 50 dimes (5.00)..