The punctuation mark that is not used internally in a sentence is a period (.). Periods are only used when ending a sentence therefore, it should only put at the end. Periods signal that the sentence has already ended and no continuation needed.
1) Break in(to)
2) Break off
3) Break down
4) Build up
5) Build on
First figure out how many juice boxes there are. If Ashley has 4 boxes with 6 boxes, multiply 4x6 to find the total. Then figure out how many she gave away. If she gave 2 boxes to 3 friends, multiply 2x3. Then subtract that number from the total.