Marlon's earning varies directly as the number of hours he works changes. If he earns $210 working 24 hours, how much money does he earn per hour? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

8.75

Step-by-step explanation:

210÷24=8.75, so that's the answer

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