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careless850
Group Title
Your piggy bank has a total of 41 coins in it; some are dimes and some are nickels. If you have a total of $3.45, how many nickels do you have?
 2 years ago
 2 years ago
careless850 Group Title
Your piggy bank has a total of 41 coins in it; some are dimes and some are nickels. If you have a total of $3.45, how many nickels do you have?
 2 years ago
 2 years ago

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Hero Group TitleBest ResponseYou've already chosen the best response.1
n + d = 41 .05n + .10d = 3.45 solve the system
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
What system?
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.1
Ever heard of systems of equations?
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
I believe.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
Forgot though.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
I forget things easily.
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.1
I'm sorry to hear that.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
Why's that?
 2 years ago

vparikh Group TitleBest ResponseYou've already chosen the best response.0
You need that to solve the problem...
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
I don't know how to solve it!
 2 years ago

vparikh Group TitleBest ResponseYou've already chosen the best response.0
Use the system of equations, solve for each variable.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
Could you explain how to use them?
 2 years ago

Hero Group TitleBest ResponseYou've already chosen the best response.1
There are different ways to solve systems of equations.
 2 years ago

vparikh Group TitleBest ResponseYou've already chosen the best response.0
Take a look at this: http://www.purplemath.com/modules/systlin5.htm
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
I have 3 nickels.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
No, 5 nickels.
 2 years ago

careless850 Group TitleBest ResponseYou've already chosen the best response.0
Right, vparikh
 2 years ago
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