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

Lilia Aguilar

13 August, 15:20

+2

Answers (1)

Know the Answer?

Adelaide Chaney · 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