SOLUTION: A jar contains n nickels and d dimes. There are 21 coins in the jar, and the total value of the coins is $1.50. How many nickels and how many dimes are in the jar? (Hint: Nickels a

Question 930178: A jar contains n nickels and d dimes. There are 21 coins in the jar, and the total value of the coins is $1.50. How many nickels and how many dimes are in the jar? (Hint: Nickels are worth $0.05 and dimes are worth $0.10.)
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = nickels
y = dimes
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x + y = 21
5x + 10y = 150
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put the system of linear equations into standard form
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x + y = 21
5x + 10y = 150
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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 = 12
y = dimes = 9
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