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Carrie works at a store in the mall. The mall and her house are 2 inches apart on a map. Ifthe scale of the map is 1 inch = 4.2 miles, then what is the actual distance between Carrie'shouse and the mall?

Answer :

The conversion unit for distance on map is,

[tex]1\text{ inch }\rightarrow\text{ 4.2 miles}[/tex]

Determine the actual distance between house and mall in on map it is 2 inches.

[tex]\begin{gathered} 2\text{ inches=2 inches}\cdot\frac{4.2\text{ miles}}{1\text{ inch}} \\ =2\cdot4.2\text{ miles} \\ =8.4\text{ miles} \end{gathered}[/tex]

So actual distance between Carrie's house and the mall is 8.4 miles.

Answer: 8.4 miles

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