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Consider the enlargement of the rectangle. Use the proportion to find the missing dimension bod the original rectangle. (Sorry the pic is horrible)

Consider the enlargement of the rectangle. Use the proportion to find the missing dimension bod the original rectangle. (Sorry the pic is horrible) class=

Answer :

DeanR

Here's the right way:

[tex]\dfrac{x}{\frac 3 5} = \dfrac{20}{12}[/tex]

[tex]x = \dfrac{20}{12} \cdot \dfrac{3}{5} = 1[/tex]

Here's the way they want you to do it:

[tex]\dfrac{x}{\frac 3 5} = \dfrac{20}{12}[/tex]

[tex]12 x = 20 \times \dfrac{3}{5} = 12 \textrm{ FIRST BOX}[/tex]

[tex]x = 12/12 = 1 \textrm{ SECOND BOX}[/tex]

Answer: 12×=12

×=1, this the correct answer :3

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