Question

Of 80 senior students, 70 had access to a mobile phone and/or a computer, 55 had access to computer and 54 had access to a mobile phone.. find the number of students who have access to a computer only​

Answer 1

Step-by-step explanation:

70=55-x +54-x +X

70= 55+54 -x

70= 109 - X

X= 109 -70

X= 39

now only computer= 55-x

= 55-39

=16