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  • 23-06-2017
  • Mathematics
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What is the length of AC

What is the length of AC class=

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Аноним Аноним
  • 23-06-2017
1 mile = 5280 feet
7 miles = 7 x 5280 = 36960 ft
AC/36960 = 12/21
AC = 12 x 36960 / 21
AC = 21120 t
AC = 21120 / 5280
AC = 4 mile
answer is C. 4 mile
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