A store pays $70 for a bicycle. the percent of markup is 20%. what is the selling price please help

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Taking algebra two apex courses and need with these questions

If i had 1234 apples and 1 banana what is the total amount