littlealexx littlealexx

07-02-2017
Mathematics

Answered

While installing a sprinkler system, Ethel wants to cut a 20-foot length of plastic tubing into two pieces. The longer piece is to be 2 feet longer than twice the shorter piece. Find the length of each piece.

Verified Answer :

monkiemady monkiemady

07-02-2017

2x+2+x=20
3x+2=20
3x+2-2=20-2
3x=18

18/3=6
So x=6
So the shorter one is 6ft and the longer piece is 14ft. (Additional work to help support answer more) 14+6=20 and 6*2+2=14.

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