Afabric store has 80 3/8 yards of a particular fabric. about how many pairs of curtains could be made from this fabric if each pair requires 4 1/8 yards of fabric? but my answers are 20,25,15,and 30 me?

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?