SOLUTION: P has pennies, dimes, and quarters. They add up to a total of $5.59. There are 43 coins and the number of quarters plus 9 equals the number of pennies and dimes. How many quarters?
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-> SOLUTION: P has pennies, dimes, and quarters. They add up to a total of $5.59. There are 43 coins and the number of quarters plus 9 equals the number of pennies and dimes. How many quarters?
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Question 657388: P has pennies, dimes, and quarters. They add up to a total of $5.59. There are 43 coins and the number of quarters plus 9 equals the number of pennies and dimes. How many quarters? pennies? and dimes does P have? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! = number of pennies = number of dimes = number of quarters
given:
(1)
(2) ( in cents )
(3)
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Substitute (3) into (1)
(1)
(1)
(1)
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(3)
(3)
Substitute this back into (2)
-----------------
(2)
(2)
(2)
(2)
(2)
--------------
(1)
(1)
(1)
(1)
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P has 14 pennies
12 dimes
17 quarters
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check:
(2)
(2)
(2)
(2)
OK
