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Which of the following proportions can be used to solve the problem below?Suppose you are using a photocopier to reduce the size of a picture that is 10 inches wide by 12 inches long. If you reduce the picture so that it is 9 inches wide, how long will it be?

Which Of The Following Proportions Can Be Used To Solve The Problem BelowSuppose You Are Using A Photocopier To Reduce The Size Of A Picture That Is 10 Inches W class=

Sagot :

We are asked to determine the length of a picture that is originally 10 inches wide and 12 inches long.

By reducing it we must keep the same proportion between length and width. Therefore, the ratio between length and width must remain the same. The ratio between width and length is:

[tex]\frac{10}{12}[/tex]

Now, we set this equal to the ratio of the reduced picture:

[tex]\frac{10}{12}=\frac{9}{x}[/tex]

Therefore, the right proportion is B

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