Nina completed a third of her homework problems. But one-half of all the problems she solved had incorrect answers. If 7 of the problems she solved had correct answers, then how many problems are in her homework?
I really need help with this plz help!!
+36915 7 correct and 7 incorrect = 14 problems so far and this is equal to 1/3 of her homework
3 * 14 = 42 problems in all
