SOLUTION: Joe has a collection of nickles and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickles was decreased by 10,the vlue of th ecoins would be $9.8
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-> SOLUTION: Joe has a collection of nickles and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickles was decreased by 10,the vlue of th ecoins would be $9.8
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Question 181025: Joe has a collection of nickles and dimes that is worth $6.05. If the number of dimes was doubled and the number of nickles was decreased by 10,the vlue of th ecoins would be $9.85. How many dimes does he have? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the number of nickels
Let = the number of dimes
given: (in pennies)
(1)
(2)
Subtract (2) from (1)
(1)
(2)
He has 43 dimes
And, since
(2)
check answer:
(1)
OK
