A positive integer K is written on a blackboard. When its rightmost digit is erased, the number remaining is K / 14. What number is K? Find all possibilities

any help would be great

Printable View

- July 31st 2006, 12:02 PMChuck_3000Very very urgent PLEASE HELP!!!
A positive integer K is written on a blackboard. When its rightmost digit is erased, the number remaining is K / 14. What number is K? Find all possibilities

any help would be great - July 31st 2006, 12:34 PMtopsquarkQuote:

Originally Posted by**Chuck_3000**

Now, K must be a multiple of 14. Thus a can take on the values 0, 2, 4, 6, 8. Thus the only possible K values are 0, 7, 14, 21, 28. Of these only two are divisible by 14, so the answers are 14 and 28.

-Dan