The user-friendly version of this content is available here.

The following content is copyright (c) 2009-2013 by Goods of the Mind, LLC.

This problem trains for: SAT-I, AMC-8, GMAT.

If a, b, c are non-zero digits in base 10 then which of the following formulas correctly express the result of the addition of the two terminating decimals:

equation

It is sufficient to write the decimals in expanded form based on their place values:

equation