instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: if shares of two persons in profits are rs . 600 and rs . 1000 then ratio of their capitals is
answer:
3 : 5

question:
Problem: a snooker tournament charges $ 45.00 for vip seats and $ 20.00 for general admission ( " regular " seats ) . on a certain night , a total of 320 tickets were sold , for a total cost of $ 7500 . how many fewer tickets were sold that night for vip seats than for general admission seats ?
answer:
276

question:
Problem: at a certain restaurant , the average ( arithmetic mean ) number of customers served for the past x days was 65 . if the restaurant serves 120 customers today , raising the average to 90 customers per day , what is the value of x ?
answer:
1