When Cedric knows that there is a correct formula to solve the problem and that there are a series of steps to follow to get to the answer of that problem, he is about to use the algorithm as a problem solving strategy.
An algorithm as a problem solving strategy is when the individual knows there are a series of step by step procedures to make, that will result in the solving of the problem. Cedric, knows that if he follows the formula and the steps carefully, he will be able to solve his math problem successfully.