Question

A stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. How long are the two pieces?

Answer 1

x + 2x = 7

3x = 7

x = 2.33

2x = 4.66

Explanation:

Answer 2

Hello from MrBillDoesMath!

Answer:

7/3 and 14/3 inches

Discussion:

Let P1 = "Piece 1" and "P2 = Piece 2", Then P2 = 2 * P1 and

P1 + P2 = 7 => as P2 = 2 P1

P1 + 2P1 = 7 =>

3P1 = 7 => divide both sides by 7

P1 = 7/3

Then P2 = 2 P1 - 2* (7/3) = 14/3

Thank you,

MrB