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Question

At a university, 1200 students are enrolled in engineering. There are three times as many students enrolled in electrical engineering as in mechanical engineering. Also, the number of students enrolled in chemical engineering is equal to the sum of the number of students enrolled in both electrical and mechanical engineering. Determine the number of students enrolled in each type of engineering.

Answer 1

m represents the number in mechanical

3m represents the number in electrical

m + 3m represents the number in chemical

 

m + 3m + m + 3m = 1200

 

Can you solve for m and answer?