Aco-worker gave you $4.75 to buy her a cup of coffee. it covered 5/6 of the actual cost of the coffee. how much did the coffee cost?

Cost of coffee = $5.70

Let C = the actual cost of coffee in dollars:

C⋅56=4.75

C=6⋅4.755

C=$5.70

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.