Question

one tenth of a number is two less than one seventh of its predecessor. Find ​

Answer 1

Answer: 50 is the correct answer.

Answer 2

Step-by-step explanation:

let the number be x

therefore predecessor =x-1

atq,

1/10x=1/7(x-1)-2

2= (x-1)/7- x/10

2= 10x-10-7x/70

2= 3x-10/70

140=3x-10

3x=150

x=50