Which is the best estimate of 11 1/5 divided by 2 3/4?

. 4
.6
.22
.33

4.07

Step-by-step explanation:

11 1/5 divided by 2 3/4

= 11 1/5 ÷ 2 3/4

= 56/5 ÷ 11/4

= 56/5 × 4/11

= (56*4) / (5*11)

= 224/55

= 4.07

The best estimate of 11 1/5 divided by 2 3/4 is 4.07

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