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If x= 1, what number must be in the box?OA 1/1/201OB.O C. 1O D.O E. 1/

If x= 1, what number must be in the box?OA 1/1/201OB.O C. 1O D.O E. 1/-example-1
User JIE WANG
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1 Answer

3 votes

Solution:

Given:

Let the missing number be represented by y.

Thus,


(2)/(3)* y=1

To solve for y, we have


\begin{gathered} (2y)/(3)=1 \\ cross\text{ multiply,} \\ 2y=3 \\ divide\text{ both sides by the coefficient of y, which is 2} \\ (2y)/(2)=(3)/(2) \\ \Rightarrow y=(3)/(2) \\ \therefore y=1(1)/(2) \end{gathered}

Hence, the number that must be in the box is


1(1)/(2)

The correct option is A

If x= 1, what number must be in the box?OA 1/1/201OB.O C. 1O D.O E. 1/-example-1
User Gustave
by
8.8k points

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