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14-02-2017
Mathematics

contestada

9. Jack cut a piece of wood that was 8 feet long into two pieces. One piece is three times as long as the other. How long is the shorter piece of wood?
A. 4 feet long
B. 3 feet long
C. 1 foot long
D. 2 feet long

Respuesta :

14-02-2017

C. 2 feet long.
Because 3x + x =8
4x=8
x=2

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