Problem

DIVISIBILTY TEST FOR 7 Use the following rule to show that 308 is divisible by 7. Show e...

DIVISIBILTY TEST FOR 7 Use the following rule to show that 308 is divisible by 7. Show each of the steps of your solution in writing. Subtract twice the units digit from the number formed by the remaining digits. If that result is divisible by 7, then the original number is divisible by 7.

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