hallmansean04
12.07.2019 •
Mathematics
Aboard 55 feet long is cut into two pieces such that the length of one piece is two-thirds of the length of the other piece. find the length of the shorter piece of board.
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Ответ:
x + 2/3x = 55
3x + 2x = 165 multiplied both sides by 3 to eliminate the denominator
5x = 165 added like terms
x = 13 divided both sides by 5
(2/3)x = (2/3)13 = 26/3 = 8 2/3
8 2/3 ft
Ответ: