Mathematics
Grade-7
Easy

Question

On a map, 1 inch equals 8 miles. Two cities are 9 inches apart on the map. The actual distance between the cities is __________.

  1. 12    
  2. 60    
  3. 50    
  4. 72    

The correct answer is: 72


    1 inch equals 8 miles ( according to question)
    Two cities are 9 inches apart
    Two cities are 9 x 8 miles = 72miles  apart
    second method
    fraction numerator 8 over denominator 1 end fraction equals fraction numerator x over denominator 9 end fraction
    fraction numerator 8 over denominator 1 end fraction cross times 9 equals fraction numerator x over denominator 9 end fraction cross times 9
    fraction numerator 8 cross times 9 over denominator 1 end fraction equals x
    x = 72 miles.

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