A collection of quarters and nickels is worth $1.25. There are 13 coins in all. How many of each are there?

let the number of nickel coins be x the quarters will be 13-x value of nickels = 5x Value of quarters = 25(13-x) The total value 125 cents

5x+25(13-x)=125 5x+325-25x=125 -20x=-200 x=-200/-20 x=10 the number of nickel coins 13-10= 3 is the number of quarter coins

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