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Mathematics
07.01.2021 15:05
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On a map of north america, the scale is: 1 in. = 30 mi it is given that: 1 mi =

On a map of north america, the scale is: 1 in. = 30 mi it is given that: 1 mi = 5280 ft 1 ft = 12 in. what is the scale factor of the map?
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azaz1819
azaz1819
4,8(60 marks)
The scale factor as I understand it will just be 1 to 30, inches to miles.

however, in this case it seems to be suggesting a conversion to the same unit, say hmmm let's convert the miles to inches.

\bf 30~\underline{mi}\cdot \cfrac{5280~\underline{ft}}{\underline{mi}}\cdot \cfrac{12~in}{\underline{ft}}\implies \cfrac{30\cdot 5280\cdot 12~in}{1}\implies 1900800~in\\\\
-------------------------------\\\\
\stackrel{in}{1}:\stackrel{mi}{30}\implies \stackrel{in}{1}:\stackrel{in}{1900800}
myloredo10
myloredo10
4,4(24 marks)
There would be $654.06. 5.5% of 575 is 31.625 so you multiply 31.625 by 2.5 and add it to 575 and you get $654.06.ย 

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