At the carnival, Sofia spent $8.75 on food and the rest of her money on ride tickets. Each ride ticket costs $1.25. At the end of her visit, she had spent a total of $31.25. How many ride tickets did Sofia buy?

So the answer is 18, I have attached the steps

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.