How do you simplify 24/6+3*5?i dont know what simplify means.

Simlify means that you cannot perform any the math functions/operations on the expressions.

Below is the order in which you perform math operations (PEMDAS):

Parenthesis, exponents, multiplication, division, addition , subtraction.

24/6+3*5?

24/6+3*5?=  Do multiplicaiton and division first

4 + 15         And finally addition

19               Your answer is 19