(1) 25 students offer Accounting.
(2) 15 students offer Economics.
How many students offer only one subject: 30 students offer only one subject.
In a class of 50 student's, the number of student's who offer Accounting is twice as the number who offer Economics. 10 students offer neither of the two subject, 5 students offer both subject.
(1) how many students offer Accounting.
(2)how many students offer Economics.
How many students offer only one subject.
2 answers
AAAaannndd the bot gets it wrong yet again!
as before, if x do econ, then
x + 2x - 5 = 50-10
x=15
so
econ: 15
accounting: 30
econ only: 15-5 = 10
accounting only: 30-5 = 25
so 35 do only one subject
as before, if x do econ, then
x + 2x - 5 = 50-10
x=15
so
econ: 15
accounting: 30
econ only: 15-5 = 10
accounting only: 30-5 = 25
so 35 do only one subject