Annabella swam for 2 3/4 hours, macyn swam 1 6/8 hours less than Annabella, seth swam 1 2/3 hours longer than macyn, Jaden swam as long as Annabella and Seth combined, Ricardo swam 6/9 of an hour longer than seth. How long did each kid swim.

Item 1 which question could the expression 1000n answer? let n = the number of gallons of gas used. how many miles per gallon did the car get driving 1000 miles? let n = the number of grams of food needed for each dog. how many grams of food are needed to feed 1000 dogs? let n = the number of people at the show. how many empty seats were there at the show if there are 1000 seats at the theater? let n = the number of seats at the theater. how many empty seats will there by if 1000 people come to the show?