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Question

By air, the distance from new york to london is 2001 miles less than the distance from los angelas to tokyo. if the total of these two distances is 8939 miles, find the distance from los angelas to tokyo.

Answer 1

let x = distance from LA to Tokyo

(x - 2001) is the distance from NY to London

 

x + x - 2001 = 8939

2x = 10,940

x = 5,470 miles

 

Answer 2

Hi, Megan!

 

Let us call the distance from Los Angeles to Tokyo x.

 

The distance from New York to London is x - 2001.

 

The total of the distances is x + x - 2001 = 8939

 

2x  - 2001 + 2001 = 8939 + 2001.  

 

2x = 10940.    x = 5470.

 

So the distance from Los Angeles to Tokyo is 5470 miles.