Question

34. A survey of 63 business people found that ; 30 had desktop computers ; 22 had laptop computers ; 39 had fax machines ; 15 had desktop computers and laptop computers; 18 had a desktop computer and a fax machine ; 14 had a laptop computer and a fax machine ; 12 had all the three. (a) How many had only laptop computers ? (b) How many had only fax machines ? (c) How many had a fax machine and laptop but not a desktop computer ? (d) How many had a fax machine or a laptop, but not a desktop computer ? (e) How many had none of the three items ?

Answer 1

Answer:a-22

B-39

C-14

D-75

E-

Step-by-step explanation: