Problema Solution
UC gave his niece R twelve coins in nickles and quarters.
The total value of the coins is $2.00.
How many of each coin did R receive?
Answer provided by our tutors
n+q = 12.
5n+25q= 200
n+5q = 40
so,
4q= 28 => q= 7
and n=5.
so, 5 nickels and 7 quarters.