Math on the Spot Write a real-world problem that could be represented by 5x + 30 90

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Need same math paper but the back now i hope your able to read it cleary i need with hw

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.