Posted by Amy on Friday, June 1, 2012 at 4:05am.
L = length of board piece
a = length of first piece
b = length of second ( shorter ) piece
a = 2 b - 3
L = 18 = a + b = 2 b - 3 + b = 3 b - 3
3 b - 3 = 18 Add 3 to both sides
3 b - 3 + 3 = 18 + 3
3 b = 21 Divide both sides by 3
3 b / 3 = 21 / 3
b = 7 ft
a = 2 b - 3
a = 2 * 7 - 3 = 14 - 3 = 11 ft
a carpenter cut a 3- meter board into four pieces of equal length . how
many centimeters long was each piece?
Related Questions
Agebra - A 12ft. board is cut into two pieces so that one piece is 8 ft. longer ...
math - a 17 foot piece of string is cut into two pieces so that the longer piece...
algebra - A 40 inch board is cut into two pieces so that the shorter piece is ...
algebra - a 3 1/2 foot piece of rope is cut into two pieces. one of these pieces...
algebra - Nakia cut a board of 30ft long into 2 pieces. The ratio of the legnths...
math - The carpenter bought a 16 foot board. He cut off three pieces: 3 feet 4 ...
alegbra - A 49 foot pipe is cut into two pieces. If one piece has a length of y ...
college algebra - how do you slove this problem a rope is 72 feet long is cut ...
math - wire is cut into 2 pieces with one piece 14 feet shorter than other.The ...
Math- Geometry - A board 20 feet long is cut into two boards with lengths in ...
For Further Reading
