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 2 years ago
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
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?

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

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

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

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

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

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

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

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

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