# Natural numbers and divisibility

Not what you're looking for? Search our solutions OR ask your own Custom question.

The natural number 28A9B consists of different numbers and A is not equal to 0. When the number is divided by 9 the remainder is 7 and when it is divided by 5, the remainder is 1. What is A-B=?

Â© BrainMass Inc. brainmass.com May 24, 2023, 12:47 pm ad1c9bdddfhttps://brainmass.com/math/number-theory/natural-numbers-and-divisibility-1867

#### Solution Preview

If a number is divisible by 5, the last digit should be 0 or 5. And if the remainder is 1, the last digit should be 1 or 6. So B is either 1 or 6.

If a number is divisible ...

#### Solution Summary

This shows how to use principles of natural numbers and divisibility to solve for variables.

$2.49