# SOLUTION: Four pencils and two pens cost \$0.74. Six pencils and five Pena cost \$1.53. Find the cost of a pencil and a pen

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 Click here to see ALL problems on test Question 378705: Four pencils and two pens cost \$0.74. Six pencils and five Pena cost \$1.53. Find the cost of a pencil and a penAnswer by mananth(12270)   (Show Source): You can put this solution on YOUR website!Four pencils and two pens cost \$0.74. Six pencils and five Pena cost \$1.53. Find the cost of a pencil and a pen. .. For easier caculation lets solve in cents let pencil cost x cents pen cost y cents 4x+2y=74.....................1 .... 6x+5y=153 ...................2 .. multiply 1 by -6 & 2 by 4 -24x-12y=-444 24x+20y=612 add them 8y=168 /8 y= 21 cents, cost of pen .. plug value of y in 1 4x+2*21= 74 4x+42=74 4x= 74-42 4x=32 /4 x= 8 cents ,cost of pencil ... m.ananth@hotmail.ca