Answer:the answer is c
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



Set up a proportion

x is the estimated number of returned phones. cross multiply to find x
12 x 2000 = 24000
350 x X = 350x
24000=350x
Divide
x=68.57
B.) 68
Step-by-step explanation:
2/3 is not greater than 5/7 and the answer to the question "Is 2/3 greater than 5/7?" is no. When comparing fractions such as 2/3 and 5/7, you could also convert the fractions (if necessary) so they have the same denominator and then compare which numerator is larger.