jiuy5u7uhtr56uhttt

Question

An airplane can seat up to 175 passengers. The airline has already sold 87 tickets for a flight on the airplane. Which graph represents the solution to the inequality that finds the number of tickets the airline can still sell? 

Answer 1

let x be the number of tickets that can still be sold;

 

x + 87 <= 175

 

x <= 175 - 87

 

x <= 88, but since x cannot practically take a negative value

 

then 0 <= x <= 88

 

Draw the horizontal number line, all points between and including 0 and +88 represents the solution set.