7th grade math

2 If 40 is decreased by 80%, what is the new amount?

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.

its 50 miles away from the starting point

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two