Question

How to solve question

Answer 1

-100/500=-5

Explanation:

you simply have to multiply them

-25×4=-100

50×10=500

you can further simplify it by dividing it

Answer 2

`- (25)/(50) * (4)/(10) \\ \\ - (25)/(50) * (2)/(5) \\ \\ - (5)/(50) * (2)/(1) \\ \\ - (1)/(10) * 2 \\ \\ - (1)/(5) * 1 \\ \\ = - (1)/(5) \\ \\ = - 0.2`

I hope I helped you^_^