If a plane uses 20 gallons of gasoline to fly 260 miles, how many gallons will it ned to fly 400 miles? (round to the nearest tenth)

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%