A map that was created using a scale of 1 inch : 3 miles
shows a lake with an area of
18 square inches. What is the
actual area of the lake?

area = 54 mi²

Step-by-step explanation:

1 in = 3 mi

1 in  x 1 in  = 3 m²

               3 mi²

18 in²  =    

               1 in²

area = 18 * 3

area = 54 mi²

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

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