- Total time=5h
- Time devoted for mathematics and science=2h
Let Time devoted for others be x



Well, 4.2 divided by 8.19 = 0.51282051282 But if you switch it to 8.19 divided by 4.2 that would equal 1.95
Hope I helped!
- Debbie <span />
You can use the Pythagoras theorem for this since a right triangle is formed.

C = 12
A = 4
B = x
Input values:





So, about 11ft.
I believe it’s option #3. hopefully that helps :)