gavinvalentine gavinvalentine

29-10-2020
Mathematics

contestada

Lamar ordered some books online for 6$ each. He paid a total of 3$ for shipping. The total cost of the purchase was 75$ . How many books did he buy?

Respuesta :

sjones75 sjones75

29-10-2020

Answer:

He bought 12 books.

Step-by-step explanation:

Here is your equation: 6 b+3=75

Step 1- Subtract 3 from both sides: 6 b+3-3=75-3

6 b=72

Step 2- Divide by 6: 6 b/6=72/6

b = 12 books in total.

Answer Link

Otras preguntas

The blue dot.............

Solve the system of linear equations. [tex]\displaystyle 6x+2y=30[/tex] [tex]\displaystyle x+2y=15[/tex]

Enter your answer and show ALL the steps that you use to solve this problem in the space provided Show all your steps! (14+3)-(2x6)

What is the largest volcano in the solar system

Under what conditions do photosynthesis and cellular respiration occur in most plants?

Which would have the least influence on changing the historical study of the civil rights movement? A. photos that reveal additional civil rights abuses the dis

The quantities of x and y are proportional. Find the constant of proportionality (r) in the equation y= rx

What new lands did england gain at the end of the french and indian war

a.Find a formula for 1/1×2+1/2×3+...+1/n(n+1) by examining the values of this expression for small values of n. b.Prove the formula you conjectured in part (a)

How many times has america officially declared war?