Kiera and her brother, Mitchell, are saving money to adopt a puppy. Kiera currently has $126
 and plans to save an additional $14 each week. Mitchell currently has $42 and plans to save
 an additional $20 each week.
 How many weeks will pass before Kiera and Mitchell have the same amount of money? How
 much money will they each have?
 In _____
 weeks, Kiera and Mitchell will each have $_____