The population of the colony decreased 30 percent after the first winter. if the population after the first winter was 350, what was the population before the first winter?

Step-by-step explanation:you do .30 times 350 and you subtract what you get from that by 350 and there is your 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

25% is the answer