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In Mathematics / High School | 2014-06-06

A 21-inch piece of steel is cut into three pieces so that:

- The second piece is twice as long as the first.
- The third piece is 3 inches more than three times the length of the first piece.

Find the lengths of the pieces.

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Answer (3)

3f+3=t s=2f 21=f+s+t
21=f+(2f)+(3f+3) 21=6f+3 18=6f
3=first 6=second 12=third

Answered by mia2001 | 2024-06-10

The three pieces of the steel bar are 3 inches , 6 inches, and 12 inches long, respectively. ;

Answered by DonalSutherland | 2024-06-18

The lengths of the three pieces of steel are 3 inches, 6 inches, and 12 inches. The first piece is represented by x , the second is twice that, and the third is three times the first plus 3 inches. This gives us a total length of 21 inches when combined.
;

Answered by DonalSutherland | 2024-09-27