You are investing $5,000 and can invest for 2 years or 3 years at 1.75% and 1.25% interest rates, respectively. Which earns more interest

The 3 years investment earns more interest

Step-by-step explanation:

Given

Principal, P = $5,000

Required

Determine which earns more interest

When Rate = 1.75% and Year = 2

Interest is as follows;

Substitute 1.75 for R, 5000 for P and 2 for T

When Rate = 1.25% and Year = 3

Interest is as follows;

Substitute 1.25 for R, 5000 for P and 3 for T

Comparing the interest of both investments, the 3 years investment earns more interest

step-by-step explanation:

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