Consider the events A and B such that P(A) = 0.67, P (A U B) = 0.89 and P (B) = 0.54. Find P (A U B'). Give an exact answer as a decimal.

you can not drow on this

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25