jessicasanchez90 jessicasanchez90

11-02-2021
Mathematics

contestada

A group of students go to the store to buy school supplies. If they buy three
binders and four notebooks, the bill will be $4.85. If they buy three binders and
ten notebooks, the bill will be $8.75. What is the cost of each binder and
notebook?

Respuesta :

11-02-2021

Answer: Binder = 75c notebook = 65c

Step-by-step explanation:

3b + 10n = 875

3b + 4n = 485

Subtracting gives:

6n = 390

390/6 = 65

n = 65

Substitute 65 into 3b + 4n = 485

3b + 260 = 485

3b = 485 - 260

3b = 260

b = 75

Answer Link

Otras preguntas

Reflect shape A in the y-axis.

Economies of scale refers to the fact that as the quantity of product produced in a given time period __________, the cost of manufacturing each unit __________

Bond P is a premium bond with a 9 percent coupon. It makes annual payments, has a YTM of 7 percent, and have 10 years to maturity. What is the current yield and

Jessie buys a subscription to music provided by Concerto, an online streaming service. Before gaining access, Jessie must agree to a provision stating that she

Question 22 of 25 Which inequality matches the verbal description? Marc is saving up for a computer. He has $250 saved already. To earn more, he works part-time

a student was given the following daigram and asked to prove that <1= <2 what would be the reason for the final step in the proof given line A and Line B

What are some of the reasons why the United States did not adopt the metric system of measure? at the time most of its trade was with France who did not use the

The notion that people are primarily evil and require moral education and authoritarian control is characteristic of which branch of Chinese thought? The notio

11 . A guest orders a drink that contains 4 1/2 ounces of 80-proof liquor. Approximately how many drinks does this beverage contain?

True or False: The verb "he will call" is active voice. True False (LANGUAGE IS LATIN)