The profit varies jointly as the number of people and their effort rating. If 100 people with an effort rating of 20 could produce a profit of $8000 in one shift, how many people whose effort rating was only 2 would it require to profit $16,000

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

the answer will be b x² +x-1

step-by-step explanation:

what is

step-by-step explanation: