Question

A store had 49 cartons of yogurt, some plain, some with blueberry flavoring. There are six times as many cartons of plain yogurt as flavored yogurt. How many cartons of plain yogurt are there?

Answer 1

Explanation:

n + n6 = 49

n is 7 because..

7×6 = 42

42 + 7 = 49

7 flavored yogurts and 42 plain :)