SOLUTION: you have nickels and dimes in your wallet with a total value of $1.10. You have 17 coins in all. Write and solve a system of linear equations to find the number x of nickels and y
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-> SOLUTION: you have nickels and dimes in your wallet with a total value of $1.10. You have 17 coins in all. Write and solve a system of linear equations to find the number x of nickels and y
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Question 542361: you have nickels and dimes in your wallet with a total value of $1.10. You have 17 coins in all. Write and solve a system of linear equations to find the number x of nickels and y of dimes. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! given:
(1)
(2) ( in cents)
------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and, since
(1)
(1)
(1)
There are 12 nickels and 5 dimes
