Suppose a college bookstore buys a textbook from a publishing company and then marks up the price they paid for the book 30% and sells it to a student at the marked-up price. if the student pays $80 for the textbook, what did the bookstore pay for it? round your answer to the nearest cent.

$61.54 (rounded to nearest cent, that is 61 dollars and 54 cents)

Step-by-step explanation:

Let's call the cost of bookstore from publisher as

Markup of 30% means that they increased their cost price by 30%. That is equal to 80.

original price is x

30% of x is

We add both to get the marked up price, which is

Equating this to 80 and solving for x gives us:

So the college bookstore bought from publisher at $61.54

2: 10

step-by-step explanation:

step-by-step explanation:

the triangles are similar. therefore the corresponding sides are in proportion:

              cross multiply

            divide both sides by 32