Directions (): Read the data carefully and answer the questions.
There are 3 colleges A, B, C offering 3 courses mechanical engineering (ME), chemical engineering (CE) & electrical engineering (EE).
College A: Number of students in ME is 40 less than that of in EE and number of students in CE is 50% more than that of in ME.
College B: Number of students in EE is 20 less than that of in EE in college A. Number of students in CE is 340 which is 40 more than that of in CE in college A. Number of students in EE is 22(2/9)% more than that of in ME.
College C: Number of students in ME is 40% less than that of in ME in college A. Number of students in CE is 40 less than that of in ME.
Total students in EE in all colleges together are 780.