Neva fannin ordered concert tickets which cost $3.50 for adults and $2.50 for students. she ordered 4 more student tickets than adult tickets. her total bill was $58. how many of each did she order?

Let number of adult tickets be a , therefore number of student ticket be a+4 .

And total cost of the tickets is 58, that is

Distributing 2.50 on a+4

Combining like terms

Number of adult tickets are 8 and number of students tickets are 12.

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.