*This series is designed to help you step up your Data Sufficiency practice while we all spend a little extra time at home during the coronavirus situation; I’m going to publish one practice Data Sufficiency question each day! You can choose to do all of them, or none of them. *

*Click on the tag “Social Distancing DS Challenge” at the bottom of this post to see all of the questions in this series! *

*And remember to take whatever precautions you need to stay healthy over the next few weeks! *

**Question #26**

What is the value of *ab + bc* ?

(1) *b *= 5

(2) *a + c *= 8

**Explanation**

Statement (1) is not sufficient to answer the question. If we substitute in the given value, we can see that we still know nothing about* a* and *c*.

Statement (2) gives us the info we need about* a* and *c*. Lack of info about *b* makes this answer alone also not sufficient.

But before we think about the statements combined, let’s simplify the given information: *ab + bc* = *b(a + c)*. Now looking at the statements in conjunction, we can get to the value by substituting in the given values in the statements. The correct answer is (C).

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