SOLUTION: In my pocket I have only nickels and dimes. How many of each type of coin do I have if I have 24 coins altogether and the total value is $1.55?
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Question 932650: In my pocket I have only nickels and dimes. How many of each type of coin do I have if I have 24 coins altogether and the total value is $1.55? Found 2 solutions by TimothyLamb, ewatrrr:Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = nickels
y = dimes
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x + y = 24
5x + 10y = 155
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put the system of linear equations into standard form
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x + y = 24
5x + 10y = 155
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = nickels = 17
y = dimes = 7
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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You can put this solution on YOUR website! x the number of Dimes
10x + 5(24-x) = 155cents (cents make Sense)
5x = 155 - 120
5x = 35
x = 7 , the number of Dimes. Nickels 17
And...checking
70 + 85 = 155 0r $1.55
