tickets to a local movie were sold $5 for adults and $3.50 for students. if 209 tickets were sold for a
total of $1031.50, how many of each type of ticket were sold?

adults-200

students-9

Step-by-step explanation:

let x represent adults and y represent students

5x+3.5y=1031.5

I just trialed and errored until I got warmer and warmer.

5×200 is 1000

3.5×9 is 31.5

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.