Perform the indicated operations and simplify

lesson: adding and subtracting complex fractions

now, let's take a peek at the denominators, so we have "3" and "x-4" repeated, so we'll use them only once in our LCD, so using those repeated factors once, our LCD boils down to 3(x-4)(x+3).

76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76

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