An equation is formed when two equal expressions are equated together with the help of an equal sign '='. There are 2 nickles and 6 quarters.
An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Let the number of nickles be represented by x, while the number of quarters be represented by y. Given here are one third as many nickels as quarters, therefore, we can write,
x = (1/3)y
The value of nickels and quarters is 1.60. Therefore, we can write,
0.05x + 0.25y = 1.60
substitute the value of x form the above equation,
0.05[(1/3)y] + 0.25y = 1.60
y = 6
Substitute the value of y in the first equation,
x = (1/3)6
x = 2
Hence, there are 2 nickles and 6 quarters.
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