It takes 16 sections of carpet to cover 1 classroom floor. tyler wants to know how many sections of carpet are needed for 6 classrooms.

How many $20 bills do you need to have to make $280

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.