Simplify:

Question

(x/50)+(x/25)+(3x/50)+(2x/25)+...+2x =

Answer 1

(x/50)+(x/25)+(3x/50)+(2x/25)+...+2x
= x/50 + 2x/50 + 3x/50 + 4x/50 + ... 100x/50
= (x/50)( 1+2+3+4+ ... + 100)

continue