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If you place 1 before a number,the new number is 3 times as large as the originalnumber.what is the original number

Sagot :

The original number is 5...!!! If you add 1 before 5 ....it would be 15...
The original number is 5, thus the new number would be fifteen. A trick is divide 10(because you add one to the original number) by 2. Then that's it. :)