The formula for percentage increase i (given as a decimal) of an investment is i=s−pp, where p is the purchase price and s is the sale price. you sell a stock at a price of $75, earning a percentage increase of 25%. what was the purchase price of the stock? solve the formula for p. p= the purchase price of the stock was $_

$60

Step-by-step explanation:

Given : The formula for percentage increase I (given as a decimal) of an investment is , where P is the purchase price and S is the sale price.

If Price of stock S= $75 and the percentage increase of 25% i.e. I=0.25.

Then, to find P , we substitute the values of S and I in the given equation, we get

Hence, the purchase price of the stock was $60.

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