if the mean of A and B is 20 the mean of B and C is 24 and the mean of A, B and C is 18 .what is the mean of A and C

Step-by-step explanation:

sum= when you add is how much the whole amount is

distance= when you use angles and it means how far it goes

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