Jack buys a pair of shoes for $52 and pays $2.60 sales tax. how much sales tax will his friend pay if his friend purchases a shirt for $28?

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.