Question 385310
write an algebraic equation which could be used to solve the following problem.  then find the solution: "A 40-inch rope is cut into three pieces so that the second piece is four times as long as the first and the third piece is three times as long as the first piece.  Find the length of all three pieces."


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first piece = x in
second piece = 4x
third = 3x
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added they are 40 inches
x+4x+3x=40
8x=40
/8
x= 5 in first piece
second piece = 4x= 20 in
third piece = 3cx = 3*5 = 15 in
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CHECK
15+20+5=40 in
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m.ananth@hotmail.ca