Question

a student needs three pieces of wire for a part project the second piece must be four times as long as the first the third piece must be three times as long as the second the student has 680 cm of wire what are the possible thanks for the shortest length of wire

Answer 1

First piece is x
second piece is y.    y=4x
third piece is z.        z=3y=12x

x+y+z=680
x+4x+12x=680
17x=680.   x=40cm   y=160cm.   z=480cm