3 buffaloes eat as much as 4 cows or 2 oxen. At a farm, there are 15 buffaloes, 8 oxen, and 24 cows. The fodder for these cattle is available for 48 days. If 60 more cows and 30 more buffaloes are brought in, how many days will the fodder last?	Answers: A) 15 days B) 18 days C) 21 days D) 24 days E) 27 days
2 oxen = 3 buffaloes = 4 cows   Also: 15 buffaloes + 8 oxen + 24 cows   = 10 oxen + 8 oxen + 12 oxen = 30 oxen   There is enough fodder for 1 oxen for 30*48 days.   60 cows + 30= 
<gadget id="calculator">+ 30</gadget>
<output>30</output>
30 oxen + 20 oxen= 50 oxen   The new total is equal to 80 oxen instead of 30 oxen.   30*48 / 80= 
<gadget id="calculator">30*48 / 80</gadget>
<output>18</output>
18 days   The answer is 18 days.
<result>B</result>
3 buffaloes eat as much as 4 cows or 2 oxen. At a farm, there are 15 buffaloes, 8 oxen, and 24 cows. The fodder for these cattle is available for 48 days. If 60 more cows and 30 more buffaloes are brought in, how many days will the fodder last?