Question

in a town of 10000 family it was found that 40% by families buy newspaper A 20% families by newspaper B 10% families by newspaper C 5% families wine A and B 3% families Barbie and C and 4% by A and C if 2% of families by all three newspaper find

(a) the number of families which by newspaper A only

(b) the number of families which buy none A,B and C

Answer 1

here is your answer...