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

An amount of $41,000 is borrowed for five years at 5% interest, compound annually. If the loan is paid in full at the end of that period. How much must be paid

What is the most appropriate methdos of gaining weight (muscle mass)?

Please please help! Find the area of the shaded sector. Leave your answer in terms of pi.

Lee surrendered to Grant at: Appomattox Court House Vicksburg Gettysburg Antietam

Select the statements that describe aspects of resources. A. The availability of resources influences where people live. B. Renewable resources have little val

What is an aspect of the kinetic-molecular theory and can be used to explain the behavior of plasmas?

Which is greater a force of 10N or a force of 5lbs

shepherd 58, retriever 65, pooodle 26 how many more people chose retriever than poodle?

Simplify: 3ab-9ab+7ab Solve: A- 2(5x-3)=24 B- 5(2x+1)=50

help me Brainliest reward