A family pays about $35 per month in water/sewer bill. A water efficient shower head costs $18.75, and it can lower the family’s water/sewer cost to $27 per month. How much money can this family save in one year by installing the water efficient shower head?

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?