A taxi travels 25 km east of airport. Then it travels from that point to a point that is 40 km west of the airport. Finally the taxi returns the airport. How far did the taxi travel?

The answer is: " 95 km " .
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Explanation:
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   ("airport")
•   {Step 1): " 25 km east " •
│===============================> │

• {Step 2): " 40 km west ["of that point"] " ; • │<==========================================│

  • {Step 3: [back to airport] = " (40 km − 25 km) " ;

  • ("airport").
│=======>│
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Note: To find "total distance traveled:

" 40 km + (40 km) + (40 km − 25 km) " ;

= " 40 km + (40 km) + (15 km) " ;

= " 40 km + 40 km + (15 km) " ;

= 80 km + 15 km ;

= 95 km .
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The answer is: " 95 km " .
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