3 1/5 divided by 2 1/2

You make and sell triangular flags. each flag has a base of  3.53.5  feet and a height of  2.52.5  feet. fabric for the flags costs  $0.40$0.40  per square foot. what is the cost to make one flag?

Which of the following equations is equivalent to x/3-6/x=1

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces