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?

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)
-------------------
Substitute (3) into (1)
(1)
(1)
(1)
-------------
(3)
(3)
Substitute this back into (2)
-----------------
(2)
(2)
(2)
(2)
(2)
--------------
(1)
(1)
(1)
(1)
-------------
P has 14 pennies
12 dimes
17 quarters
-----------
check:
(2)
(2)
(2)
(2)
OK

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