june has been saving nickels and dimes for three weeks in a jar. She looked into the jar and found that it contained 29 coins worth $2.05. how many nickels and dimes were in the jar?

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- anonymous

You can set up a system of equations:
.1d + .05n= 2.05
d+n = 29
where d is the number of dimes and n is the number of nickels

- anonymous

but yes how do u solve for d and n???

- anonymous

Well, you can take the easier one and solve for one variable and plug it into the other

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- anonymous

so d=29-n

- anonymous

Then you plug in that d into the other equation so that you have only one variable to get the number of nickels

- anonymous

understand?

- anonymous

Do you want to try out the question?

- anonymous

workin it now do u have the answers so i can check with u when i think i have it

- anonymous

okay, I have the answers. Tell me when you get your answers. Or if you're not actually working on it, I could just tell you them now.

- anonymous

n=17 and d=12

- anonymous

correct! Good job!

- anonymous

thanks!

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