In a class of 50 students the number of students who offer accounting is twice as the number who offer economic. 10 students offer neither of the two subjects and 5 students offer both subjects. How many students offer accounting, economics and only one subject?

Question

Adrienne

3 July, 17:45

+4

Answers (1)

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Nico Wilkerson · Answer 1

accounting=30, economics=15, only one=35

Step-by-step explanation:

a=2e

5 both

10 neither

40=a+e-5

45=a+e

45=2e+e

e=15

a=2e

a=30