Question 1006659
Let the number of adults = x & the number of children = y

Then, x+y=480....(1)

& 6x+4y=2340....(2)

Now, by eq(1)x 4 => 4x+4y=1920....(3)

Next, by eq(2)-eq(3), we get, 2x=420 or x=210

Therefore, y=480-210=270.