BigThickDi3k27 BigThickDi3k27

02-12-2020
Mathematics

contestada

Laura bought some books. She spent a total of $71 after a discount of $5 off of her total purchase. Each book cost $4. How many books did she buy?

Laura bought some books She spent a total of 71 after a discount of 5 off of her total purchase Each book cost 4 How many books did she buy class=

Respuesta :

emmapkrieg emmapkrieg

02-12-2020

Answer:

4b-5=71

19 books

Step-by-step explanation:

b represents books, and 4 is the cost, so the cost (4•19) minus the discount (-5) equals 71 and solves the equation

Answer Link

Otras preguntas

If f(x)= -3x-2 ,what is f(-5)

What type of economy does North Korea have?

What African nation remained independent of European rule?

Find four consecutive even integers with a sum of -52

Two consecutive positive integers have aproduct of 6. What are the integer?

Select the correct answer What is an enemy combatant? A a person who has information on the enemy that he or she will reveal for combat pay B a person captured

What happens when a population is in hardy-Weinberg equilibrium? A. mutations are common B. Organisms produced of organisms produced no offspring C. Allele

I dentify the domain and range and sketch the graph [tex] y = sqrt { - x - 3 - 3} [/tex]

The cost of producing x soccer balls in thousands of dollars is represented by h(x) = 5x + 6. The revenue is represented by k(x) = 9x – 2. Which expression repr

Based on the graph, which of the following statements is true? A. The number of cupcakes depends on the total price. B. The total price depends on the number of