4. hue is planning to run in a marathon to support her favorite charity. for each description, write both an equation and a related equation that could be used to solve the problem. then solve the problem. (a) hue's sponsor plans to give $20 to her favorite charity for each mile she runs. how many miles would hue need to run if she wants to earn $300 for her favorite charity? (b) hue predicts that she may only be able to run 10 mi. she still wants to earn $300 for her favorite charity. how much money should she ask her sponsor to give her per mile in order to reach her goal? 99 points