Problema Solution
tran has a coin jar that contains nickels, dimes, and quarters. there are 181 coins in the jar. there are 2 more dimes than quarters. if the total value of the coins in the jar is $24.65, how many quarters does the jar contain?
Answer provided by our tutors
1 nickel = 5 cents
1 dime = 10 cents
1 quarter = 25 cents
Let
n = the number of nickels, n is integer, n>=0
d = the number of dimes, d is integer, d>=0
q = the number of quarters, q is integer, q>=0
n + d + q = 181
d = q + 2
5n + 10d + 25q = 2465
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click here to see the system of equations solved for n, d and q
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n = 55 nickles
d = 64 dimes
q = 62 quarters
There are 62 quarters in the jar.