Find the sum using the formula for geometric series. Round to the nearest thousandth.
Σ10 K=1 6 X 5 k-1

gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.

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

17

step-by-step explanation:

51/3=17

thus 17 is your answer.