Solve the proportion.

x+1/×-1 = 14/20

A: - 3/17
B: 10/7
C: 7/10
D: -17/3

With #! i’ve tried to figure it out but i can’t.

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.