An advertising agency finds that, of its 180 clients, 115 use Television, 110 use Radio and 130 use Magazines. Also, 85 use Television and Magazines, 75 use Television and Radio, 95 use Radio and Magazines. How many use all the three? Choose the correct choice:
A) 56 B) 70 C) 90 D) 98 E) 80
Total=180   Television=115   Radio=110   Magazine=130   All the three =180-115-110-130+85+75+95= 
<gadget id="calculator">180-115-110-130+85+75+95</gadget>
<output>80</output>
80   ANSW80R 80
<result>E</result>
An advertising agency finds that, of its 180 clients, 115 use Television, 110 use Radio and 130 use Magazines. Also, 85 use Television and Magazines, 75 use Television and Radio, 95 use Radio and Magazines. How many use all the three?