Breanna is planning to enter a bike race to support her favorite local charity. for each description, write an equation that could be used to solve the problem and then solve the problem.

(a) breanna’s sponsor plans to give $15 to her favorite charity for each mile she bikes. how many miles would breanna need to bike if she wants to earn $450 for her favorite charity?

equation:

solution:

(b) breanna predicts that she may only be able to bike 25 mi. she still wants to earn $450 for her favorite charity. how much money should she ask her sponsor to give her per mile in order to reach her goal?

equation:

solution: