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3 years ago

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A butcher is dividing a round of beef into 3 equal sized roasts. If each weighs 7.9 pounds, and there are 1.4 pounds of beef lef

t over, how much did the round weigh? A) 19.5 pounds B) 22.3 pounds C) 25.1 pounds D) 27.9 pounds.

1 answer:

Bas_tet [7]3 years ago

6 0

[7.9x3]+1.4=25.1pound

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2 years ago

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Hi there!

»»————-　★　————-««

I believe your answer is:

$\boxed{x-1+x-2+x}$

»»————-　★　————-««

Here’s why:

⸻⸻⸻⸻ $\boxed{\text{Simplifying the Expression...}}\\\\3x+2+(-5)\\----------------\\\rightarrow 3x+2-5\\\\\rightarrow\boxed{3x-3}\\\\\text{This is not an answer choice, so we would find an expression equivalent to the one above.}$ ⸻⸻⸻⸻

$\boxed{2 +3x+5}\\\\\rightarrow 3x + 5 + 2\\\\\rightarrow \boxed{3x + 7}\\\\\text{This is \textbf{NOT} equivalent.}$

⸻⸻⸻⸻

$\boxed{x-1+x-2+x}}\\\\\rightarrow x+x+x -1-2\\\\\rightarrow \boxed{3x-3}\\\\\text{This is \textbf{equivalent}.}\\\\\text{This answer choice and the expression given has the same result when simplified.}$

⸻⸻⸻⸻

$\boxed{-3-3x-1+x}}\\\\\rightarrow-3-1-3x+x\\\\\rightarrow -4-2x\\\\\rightarrow \boxed{-2x-4}\\\\\text{This is \textbf{NOT} equivalent.}$

⸻⸻⸻⸻

$\boxed{3-3x}\\\\\rightarrow{-3x+3}\\\\\text{This is \textbf{NOT} equivalent.}$

⸻⸻⸻⸻

$\text{Option B, } x-1 +x-2 + x, \text{ should be the correct answer.}$

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

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3 years ago