Respuesta :
Answer:
Step-by-step explanation:
2y - 12 is correct.
2(y - 12) would apply if the problem statement were: "twice the difference of y and 12".
The algebraic expression that represents the phrase “two times the quantity of a number minus 12” is 2y - 12.
Given phrase,
Two times the quantity of a number minus 12.
We need to find an algebraic expression that represents the above phrase.
The given phrase is "Two times the quantity of a number minus 12".
We will separate it into two parts :
- Two times the quantity of a number
- Minus 12
Let the quantity of a number be y.
So we have,
"Two times the quantity of a number" can be written as:
= 2 x y
Adding the other parts "Minus 12" we get:
= 2y - 12
Thus, the algebraic expression that represents the phrase “two times the quantity of a number minus 12” is 2y - 12.
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