SOLUTION: A woman has 20 coins consisting of nickels and quarters. The total value is $3.80. How many of each type of coin does she have?
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Question 365325: A woman has 20 coins consisting of nickels and quarters. The total value is $3.80. How many of each type of coin does she have?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
A woman has 20 coins consisting of nickels and quarters. The total value is $3.80. How many of each type of coin does she have?
nickels be x
quarters be 20-x
..
5x+25(20-x)= 380
5x+500-25x=380
-20x=-120
/-20
x= 6 nickels
quarters = 14
..
CHECK
14*25+5*6= 380
...
m.ananth@hotmail.ca
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