SOLUTION: there are 24 coins made up of quarters and dimes which amount to 3.90$. how many of each kind of coins are there. let x represent...let y represent
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Question 410277: there are 24 coins made up of quarters and dimes which amount to 3.90$. how many of each kind of coins are there. let x represent...let y represent Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! (1)
(2) (in cents)
multiply both sides of (1) by and
subtract (1) from (2)
(2)
(1)
and, since
(1)
There are 14 dimes and 10 quarters
