Answer:
To find unit rate, always put the numerator as what is asked in the problem, In this case, it is asking a price for each bat. So, two bats are 300, what would be price of 1? If this does not make sense, then read his example: if you brought two choclates costing two dollars, you would assume that each is 1 dollar right? Its the same here, instead of assuming, we divide 300/2 to find the price of ONE bat. 300/2 is equal to 150$ so, it is 150$ per bat (D in ur answer choice). To double Check, add 150 and 150, you get the prie 300! So the answer is correct.
