SOLUTION: A piggy bank contains 60 coins, all dimes and quarters. The total amount of money is $11.40. How many of each is there?
Please Help, I need this for my Algebra
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Question 918403: A piggy bank contains 60 coins, all dimes and quarters. The total amount of money is $11.40. How many of each is there?
Please Help, I need this for my Algebra
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of dimes
Let = number of quarters
----------------------------
(1)
(2) ( in cents )
----------------------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and
(1)
(1)
(1)
---------------
There are 24 dimes and 36 quarters
check:
(2)
(2)
(2)
(2)
OK
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