Please Help!!! A rope 25 feet long is cut into 3 pieces. The first piece is 2x feet long, the second piece is 5x feet long, and the third piece is 4 feet long. a.) Write and solve an equation to find x b.) Find lengths of the first and second pieces.

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so we know that:  2x+3x+4 =25 (this is what the description above says). we can add the xs and substract 4 from each side. 7x=21. divide both sides by 7: x=3  and now the pieces: first piece is 2x: 2*x=6. second piece: 5*x=15 feet.

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