A hot dog vendor who sells only hot dogs and soft drinks charges $3 for a hot dog. If the vendor collected $1,000 in tot

[Gmat_mission]

A hot dog vendor who sells only hot dogs and soft drinks charges $3 for a hot dog. If the vendor collected $1,000 in total revenue last month, how much does he charge for a soft drink?

(1) The vendor sold twice as many hot dogs as soft drinks last month.
(2) The revenue from hot dog sales last month was 3/4 of the total monthly revenue.

Answer: C

Source: Manhattan GMAT