SOLUTION: A piggy bank has five more dimes than nickels and three less quarters than twice the number of dimes. The total value of the money in the piggy bank is $17.20. Determine how many q

Question 1033040: A piggy bank has five more dimes than nickels and three less quarters than twice the number of dimes. The total value of the money in the piggy bank is $17.20. Determine how many quarters are in the piggy bank.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
(3) ( in cents )
----------------------------
This si 3 equations and 3 unknowns, so
it's solvable
----------------
(1)
Substitute (1) and (2) into (3)
(3)
(3)
(3)
(3)
and
(1)
(1)
(1)
and
(2)
(2)
(2)
(2)
there are 53 quarters
---------------------
check:
(3)
(3)
(3)
(3)
OK
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