A range is the amount of time from a start of the action up to the end of the action so in your question where a function is created to present the amount of text sent each month. So the best possible restriction of the range is "The range would only include positive integers"
Answer:
That is a fact i think but let me reaserch for that and tomorrow i will give you an answere
10+9 x 8 = 100+50+2 (152)
