Please answer this Math question

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Oct 30th, 2015

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1 inch equals 10 miles

7 inches equal z miles  So the proportion is 1 inch/ 7 inches= 10 miles/ z miles

The right answer is c. If you change the position of 7 inches and 10 miles. You can do that according to proportion property: If a/b=c/d  then a/c=b/d.

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Oct 30th, 2015

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