Question

At the movie theater, the price of an adult ticket is a dollars and the price of child's ticket is b dollars. If x adults and y children go to the movies, which of the following expressions represents the total number of adults and children who go to the movies?

a + b

ax + by

x + a

x + y

Answer 1

1 adult ----> a
'x' adults ----> ax
1 child -----> b
'y' children----->by
total=... ?

Answer 2

it depends on how you are counting

in terms of dollars the 2nd equation will do the job

in terms of people... the last equation will do the job