Question

Solve the following word problems by using n as the variable.



There are 86 water bottles full of water kept on tables along the route of a marathon. As the marathon went on, the participants stopped by and picked up water for themselves. By the time the event ended, there were only 12 bottles of water left. How many bottles of water were taken by the runners?


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Answer 1

Step-by-step explanation:

Let the bottles of water taken by the runners be 'n'

Total number of water bottles =86

Number of remaining water bottles=12

The required equation is

86-n=12

n=86-12

n=74

Number of water bottles taken by the runners=74