(MGSEZ RP.1)A glacier moves 2/3 kilometer in 4 months. What is the average speed in kilometers per month?Answer EACH of the following questions about the problem.•Which answer choice is correct?•How do you know the answer choice is correct?A. 1/6 kilometers per monthB. 2 2/3 kilometers per monthC. 2/7 kilometers per monthD. 6 kilometers per month231622327