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

Even before telescopes were invented, humans were interested in astronomy. A) Simple B) compound C) complex D) compound-complex 18. Halley’s comet should retur

Jenna bought 5 pounds of apples for $6.85. What is the unit price per pound of apples?

Express with an exponent and the given base: 64, base 8

Find the equation that is equivalent to the quadratic equation shown. Explain why x² - 6x - 27 = 0 A.) x(x - 3) = 27 B.) (x - 6)² = 63 C.) (x - 3)² = 36 D.) (x

A metal, M, forms an oxide compound with the general formula M2O. In which group on the Periodic Table could metal M be found? (1) Group 1 (3) Group 16 (2) Grou

Which of the following agreements made war illegal? a. League of nations b. Kellogg- briand pact c. Treaty of Versailles d. International-brigades agreement

In a race, a runner traveled 12 meters in 4.0 seconds as she accelerated uniformly from rest. The magnitude of the acceleration of the runner was (1) 0.25 m/s2

Nephridia, the excretory organs in earthworms, are equivalent to the ____________ in humans and frogs.

-(x-2)=11 Possible answers: -5 -9 5

Jenna bought 5 pounds of apples for $6.85. What is the unit price per pound of apples?