An airplane has a total of 153 seats. The number of coach seats is 5 more than the number of first class seats. How many of each type of seat are there on the plane?

Answer 1

Let's denote the number of first class seats as x.

Since the number of coach seats is 5 more than the number of first class seats, the number of coach seats is x + 5.

The total number of seats on the plane is 153, so we can set up the equation:

x + (x + 5) = 153
2x + 5 = 153
2x = 148
x = 74

So, there are 74 first class seats and 74 + 5 = 79 coach seats on the plane.