The task is to generate the correct answer for a given math problem.

[Q]: Problem: a reduction of 20 % in the price of oil enables a house wife to obtain 4 kgs more for rs . 600 , what is the reduced price for kg ?
[A]: 30


[Q]: Problem: points a , b , and , c have xy - coordinates ( 2,0 ) , ( 8,12 ) , and ( 14,0 ) , respectively . points x , y , and z have xy - coordinates ( 6,0 ) , ( 8,4 ) , and ( 10,0 ) , respectively . what fraction q of the area of triangle abc is the area of triangle xyz ?
[A]: 1 / 9


[Q]: Problem: the food in a camp lasts for 10 men for 50 days . if 10 more men join , how many days will the food last ?
[A]:
25 days