Question

a boat takes 8min 15s to cross a river if it made 15 crossing in one day for how long did a travel throughout the day

Answer 1

time of travel in one day = time taken in one travel * no. of crossing
                                       = 495*15 = 7425 seconds 
                                       = 123 minutes and 45 seconds 
                                       = 2 hours, 3 minutes and 45 seconds
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Answer 2

Answer:

time of travel in one day = time taken in one travel * no. of crossing

                                      = 495*15 = 7425 seconds  

                                      = 123 minutes and 45 seconds  

                                      = 2 hours, 3 minutes and 45 seconds

Step-by-step explanation: