Question

At a restaurant Mike and his three friends decided to divide the bill evenly if each person pay $13 then what was the total bill also what is The equation and how to solve the equation

Answer 1

the total answer was 39 dollars 
so 13 x 3 = 39. and 39 divided be 3 = 13.
so the answer is 39 dollars and the equation is is 13 x 3 = 39

Answer 2

No it's 13 x 4 because it's Mike AND his friends