Answer:
A. A series of actions that solve a particular problem.
Step-by-step explanation:
Sometimes, there are much harder to solve using mental math. Equations that have lots of negative numbers, large numbers, fractions, or decimals can be difficult to solve in your head. That's why there is a system, called an algorithm, for solving these equations.
An algorithm is just a step-by-step process for solving problems.
Hope this helped!