SOLUTION: how many times should the keyboard of a computer be pressed to type all the numbers from 1 to 500 numbers

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> SOLUTION: how many times should the keyboard of a computer be pressed to type all the numbers from 1 to 500 numbers      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 473873: how many times should the keyboard of a computer be pressed to type all the numbers from 1 to 500 numbers
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The numbers 1 - 9 are 9 key presses
The numbers 10 - 99 are +2%2A90+=+180+ key presses
The numbers 100 - 500 are +3%2A401+=+1203+ key presses
++9+%2B+180+%2B+1203+=+1392+ total key presses