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

how to get rid of clogged ears

Andrew Jackson thought of himself as the "president of the people," was he? What can you find in the career of Jackson that would support his assertion, and wha

identify the effect of increasing acidity on the solubility of the given compounds.

An inference the reader can make from the line By the pale dull pallor of an old gas light is that the musician. (in The Weary Blues) a. does not have much musi

Which of these is not a power of the president? make laws veto laws oversee the military make official appointments

where is grey goose vodka made

definition of contributions

recommended caloric intake

Is my answer correct? Even if it is tell me so. If it is not, explain the correct answer to me..

how to turn any drink into a gummy