A positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/10. Rind the two integers

Question

The written problem turned into a math problem

Answer 1

y = 2x

 

1/y + 1/x = 3/10

 

Substitute

 

1/2x + 1/x = 3/10

 

5/x + 10/x = 3

 

15/x = 3

 

3x = 15

 

x = 5, y = 10