###Human: Max attended 40 college courses in 2 years. Sid attended four times as many college courses as Max in the same period. What's the total of college courses they both attended?, ### Assistant: If Sid attended four times as many college courses as Max, he attended 4*40=160 college courses.
The total of college courses they both attended is 160+40 = 200 
 So the answer is :  200