A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
the total value of a collection of dimes and nickels is $2.70. if the total number of coins is 39, how many of each coin is there?
anonymous
 one year ago
the total value of a collection of dimes and nickels is $2.70. if the total number of coins is 39, how many of each coin is there?

This Question is Open

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0hold on im trying to figure it out

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\large \sf d+n=39 \\\large \sf .1d+.05n=2.7\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0soooo, there is half a nickel??

anonymous
 one year ago
Best ResponseYou've already chosen the best response.015 dimes 24 nickels?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Woah there, no direct answers. @.Gjallarhorn.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0lets see.. 15 dimes is 1.50 24 nickels 1.20 addem and you get 2.70

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i know im explaining

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And the method you used to figure it out?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.015 dimes and 24 nickels add up to 39 coins :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0That isn't a method, my friend :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i just used guess and eliminate

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and i got the answer and i explained why that was the answer by adding the values

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And that's the problem. We're here to help the asker UNDERSTAND, which your method doesn't do. Your method doesn't work on anything but things like this. With such a small margin of answers, it's easy to guess around and get the answer.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I mean, have you ever had a teacher tell you, "Guess around till you get the answer"? /:

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Number of dimes: x Number of nickels: (39x) 10x + 5(39x) = 270 (cents makes sense) 5x = 75 x = 15, the number of dimes. 24 Nickels checking.... 10*15+5*24 = 270cents or $2.70 THERE YA GO @bearclaw heres the source http://www.algebra.com/algebra/homework/word/coins/Word_Problems_With_Coins.faq.question.879243.html so your final answer is 15 dimes and 24 nickels, bearclaw. Have a nice day! :)
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.