The paint costs $12.50 per gallon, and one gallon of paint covers 350 square feet! Reflecting tape costs $4.50 per roll of tape, and covers 40 linear feet.

Need a thorough explanation on parts A and B!

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

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.

is this part of a question or something

answer: you need to organize this better it does not make sense.

step-by-step explanation: ?