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

What happened to the prey in the early 1700s? Missing Metadata ------------ The prey population decreased and then increased. A. The prey population decreased w

what expression is equivalent to 3(-2x - 1) A. x+2 B.x-1 C. -6x-3 D. -6x-1

what function do third parties serve in American politics

What is the value of X in the following equation (x-2)(x+8)=0 and (x-7) to the second power=0

how did america make peace with other countries

The human genome project identified the sequence of base pairs in human DNA and identified several genes. Which question would least likely lead to a scientific

What experimental evidence did Thomson have for each statement? A. Electrons have a negative charge. B. Atoms of all elements contain electrons.

What is the next number 3 6 4 8 6 12 10

which state is due north of pennsylvania PLEASE HELP ME

The triangle PQR is similiar to triangle XYZ.What is the length of XZ?