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A change machine contains nickels, dimes, and quarters. There are 75 coins in the machine and the value of the coins is $7.25. There are 5 times as many nickels as dimes. Find the number of coins of each type in the machine.
if you could show the work as a system of equations that would be great
if you could show the work as a system of equations that would be great
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nickels=a, dimes=b, quarters=c
a+b+c=75
5a+10b+25c=$7.25
b=5a
shouldnt be too hard to figure out from there
(hint: use substitution)
a+b+c=75
5a+10b+25c=$7.25
b=5a
shouldnt be too hard to figure out from there
(hint: use substitution)
Answer Date: 02:24pm 09/15/08
