Question

How to solve the below and find X
1/X + 4/80=1/15

Answer 1

Answer:

15.75

Step-by-step explanation:

1. 1/x+4/80=1/15
2. 80+4x/80x=1/15
3. 15(80+4x)=80x
4. 1200+60x=80x
5. by dividing by 80 then
6. x=15+0.75
7. x=15.75

Answer 2

Answer:

1/x= 1/15-4/80

1/x= 16-12/240

1/x= 4/240

1/x= 1/60

x=60