The Student Council at Woodlands Middle School is planning a field
trip. They polled randomly selected teachers and students and asked
whether they prefer to go to the aquarium or an amusement park.
The results are shown in the table below.

20% of the students wanted to go to the aquarium and 50% of the teacher wanted to go to the aquarium.

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to