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

Sasha solved an equation, as shown below: Step 1: 7x = 56 Step 2: x = 56 + 7 Step 3: x = 63 Part A: Is Sasha’s solution correct or incorrect? If the solution i

Samantha is using a 2-liter pitcher to serve lemonade to 10 of her friends. How many times will she need to fill the pitcher in order to server each friend 400

Most of the immigrants to the united states from the mid-1990s to the present day have come from- A) Eastern Europe. B) Western Africa. C) areas Of natural disa

Helppp plsssss!! AsapThanks

Make a list of at least TWO things in your life that can influence your sexual health. Describe how these two factors influence sexual health?????

Discuss how far Muslim traders carried Islam to the east.

Find the value of the variables. 15 PTS!! {-12 -w^2} { 2k -81 } = {2f 3 } {-14 3 }

Click to read "I Am Offering this Poem" by Jimmy Santiago Baca. Then answer the question. What is the overall emotion expressed in the third stanza of the poem?

As Chief Executive, a president must do which of the following? Select all that apply. attend cerermonial events like the Commemoration of D-Day in France ov

What is the difference between renewable and non-renewable resources?