Basic Maths

[MATHSHELP36]

If I work from 7.45am to 3.30pm Monday to Friday how many hours do I work in a week?

I get 37hrs 25mins but in the answer book it says 38hrs 45mins and I don't know how they got this answer?

 

[Denis]

7 3/4 (per day) times 5 = 38 3/4

 

[MATHSHELP36]

Thanks Denis for helping me get the answer.