raquelrios0622 raquelrios0622

03-04-2020
Mathematics

contestada

John saved 65 coins. He saved nickels and dimes only. If he had totally $4.90, how many nickels did he have?

Respuesta :

johnsong14306 johnsong14306

03-04-2020

Answer:

Step-by-step explanation:

Let n = nickels and d = dimes

n+d = 65

5n+10d = 490

Solve for n:

n = 65 - d

Substitute the equation:

325 + 5d = 490

5d = 165

d = 33

Answer Link

Otras preguntas

The normal rainfall in September for Denver is 1.24 inches. The normal rainfall for Miami in September is 7.63 inches. The normal rainfall in January for Miami

The radius of a circle is 4 yards. What is the circle's area? r=4 yd Use 3.14 for .

The molar mass of copper (I) carbonate is

de exemplo de alguns fenômeno naturais e quais benefícios ele podem nos trazer

Select the correct answer. What is the purpose of the IRS? A. to collect taxes and enforce tax laws B. to provide a collection of domestic and foreign securit

This trapezoid-based right pyramid has a volume of 48 m3 what is the area?

8. Consider the diagram below. Solve for k.

please help me please no links or will be reported

Anybody who want extra points I can give it too you, NOT A JOKE I AM SERIOUS. Just answer this question:

Draw a symbol of being a Filipino in your paper. Then, explainin at least five (5) sentences why you chose that symbol.Example: Sun