Answer: The required markup price of the model train is $35.
Step-by-step explanation: Given that a toy store percent of markup is 35% and a model train costs the store $100.
We are to find the markup price of the model train.
The markup price will be the markup percent of the actual cost.
Therefore, the markup price of the model train is given by

Thus, the required markup price of the model train is $35.