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 piece
s?
2 answers:
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
Answer:
x + 2x = 7
3x = 7
x = 2.33
2x = 4.66
Step-by-step explanation:
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