What is 45% of 40=
How to solve percentages.

the answer to your question is 18

18

Step-by-step explanation:

Usually in math problems, the word "of" means to multiply. So this question would be 45% times 40. It would be easier to calculate this by turning 45% into a fraction, which is 45/100. Then, we solve.

45/100 times 40

40(45)/100

1800/100

=18

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