SOLUTION: I was 9 years old when I told a friend I was half a man, so he started calling me point 5. Now that I've turned 10 what would I be in decipals if 18 is a man? I said point 8

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: I was 9 years old when I told a friend I was half a man, so he started calling me point 5. Now that I've turned 10 what would I be in decipals if 18 is a man? I said point 8       Log On

Either this way:

10 is to x as 9 is to .5



 9x = 10·.5
 9x = 5 
  x =  ≈ .555556

or this way:

10 is to x as 18 is to 1



18x = 10
  x = 
  x =  ≈ .555556

Edwin