Homework Help: math

Posted by elaine on Tuesday, May 31, 2011 at 2:19pm.

A cable 40 feet long is cut into three pieces so the length of the second piece is 4 times the length of the first piece, and the third piece is five more than twice as long as the first piece. Find the length of the pieces.

math - PsyDAG, Wednesday, June 1, 2011 at 2:42am
Let x = first piece, then the second piece = 4x and the third = 2x + 5.

These three terms should add to 40.

I'll let you do the calculations.

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