B. Abigail used less than Carly and the total was 109.
The answer to your question is answer choice D
Answer:
8
Step-by-step explanation:
Example:
This suggests two solutions,
and
.
However, upon plugging these solutions back into the equation, you get
which checks out, but
does not because
is defined only for
(assuming you're looking for real solutions only). So, we call
an extraneous solution, and the complete solution set (over the real numbers) is
.
None of the above its actually number 22
Hope that helped!?
:)