Posted by
**Mary** on
.

Think of a number.

Add 7.

Double the result.

Subtract 8.

Double the result.

Add 12.

Divide by 4.

Subtract 6.

Your answer will be the original number. Explain how this trick works.

Sunday

March 26, 2017
Posted by
**Mary** on
.

Think of a number.

Add 7.

Double the result.

Subtract 8.

Double the result.

Add 12.

Divide by 4.

Subtract 6.

Your answer will be the original number. Explain how this trick works.

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