The correct answer is 720. Just turned it in and got a 100. Good luck and hoped this help ya.
Double the first equation: 4x+14y=-2 and subtract the second: 17y=17, so y=1. 2x=-7y-1=-7-1=-8, so x=-8/2=-4.
The answer is x=-4 and y=1.
$580 laptop/ $40 earned a week = about 14.5 weeks to buy the laptop
So you would do .30 multiply that by 18.99 and your answer would be 5.69
We're displaying ratios<span> in a </span>table<span> format here, and then asking: given a </span>ratio<span>, solve for equivalent </span>ratios<span>. Here are a few examples to practice on. Created by Sal Khan. ... Practice: </span>Ratio tables<span>. Solving </span>ratio<span> problems with graph.</span>