
Peter K. answered 09/24/19
Experienced and Knowledgeable Mathematics and Physics Tutor
We need to find the lowest number that is both divisible by 3 and 7. First let's narrow down the list. Only 24 and 72 are divisible by 3. Now our list only contains two possible numbers. Next let's narrow it down further by finding which of these two numbers is divisible by 7. Since, 24 is not divisible by 7, all that's left is 72. Therefore, the smallest number of pieces of candy you can have in one box is 72.