A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 5 years ago
A box contains 35 coins in quarters and nickels worth $3.15 How many of each coin are there
(system of liner eqations problem)
anonymous
 5 years ago
A box contains 35 coins in quarters and nickels worth $3.15 How many of each coin are there (system of liner eqations problem)

This Question is Closed

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Q + N = 35 25Q + 5N = 315.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Simplyf the second equation, solve the first for one of its unknowns and substitute into the simplified second equation, and you're well on your way to the solution.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0careful with the decimals! \[25q+5(35q)=315\] \[

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[20x+175=315\] \[20x=140\] \[x=7\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.