Mr, torres took his students to the dolphin show, each row in the stadium had 11 seats, one adult sat at each of a row, and each group of 4 students was seated between 2 adults , ms, torres sat by himself , how many adults were there

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.