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A 15-inch piece of steel is cut into three pieces so that the second plece is twice
as long as the first piece, and the third piece is three inches more than three
times the length of the first piece. Find the lengths of the pieces
What is the length of the first piece?

Respuesta :

Answer:

3

Step-by-step explanation:

Let's represent 1st piece as a, 2nd as b, and 3rd as c.

2xa=b

a+3=c

Now replace the variables

a=3

b=6

c=6

3+6+6=15

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