1
2
0
x
+
120x+392
Step-by-step explanation:
Answer:



Step-by-step explanation:
Let
x ----> the number of first class seats
y ----> the number of economy class seats
we know that
An aircraft has a maximum of 30 first class seats
so

An aircraft has a maximum of 220 economy seats

A flight will be cancelled if the money taken for the seats is less than $28,800.
so

therefore
Three inequalities that represent the situation are



Tangent 4 = 0.06992681194351041366692106032318
Answer:
4x - 3y = 0
Step-by-step explanation: