Steve has some five-dollar bills and some ten-dollar bills. He has 14 bills. The value of
the bills is $100. Write and solve a system of
equations to find how many of each kind of
bill he has.

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.