Sebastian studies from 3: 15 - 4: 45. his sister, sasha studies from 4: 30 - 6: 15. who studied longer and by how much

Step-by-step explanation:

Sebastian studies from 3 : 15 to 4 : 45.

the time of Sebastian's studies

  4 : 45

- 3 : 15  

   1 : 30       hours

Sasha studies from 4:30 to 6:15.

The time of Sasha's studies

  6 : 15

- 4 : 30  

  1  : 45       hours

Sebastian studied 1 hour 30 minutes and Sasha studied 1 hour 45 minutes.

Difference in time of study = 1 : 45

                                              - 1 : 30  

                                                0 : 15   hours

Sasha studied longer than Sebastian by 15 minutes.

the answer is simply just 6n add the two together as they have an n

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