SOLUTION: a 2o ft board is cut into 2 pieces. Twice the length of the shorter piece is 4ft more than the length of the longer piece. Find the length of the shorter piece.
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Question 660478: a 2o ft board is cut into 2 pieces. Twice the length of the shorter piece is 4ft more than the length of the longer piece. Find the length of the shorter piece.
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
20 = x + y
x = shorter piece
y = longer piece
2x = 4 + y : rearrange as 2x - y = 4
Add the second equation to the first
x + 2x + y + -y = 20 + 4
3x = 24
3x/3 = 24/3
x = 8 ft is the shorter piece
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