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OpenStudy (anonymous):
help me In a change jar, Tom has nickels and dimes. The number of nickels is two times the number of dimes and the total amount of money in the jar is $1.20. How many dimes are in the jar?
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OpenStudy (ja1):
Let's write out an equation for this...
OpenStudy (anonymous):
ok
OpenStudy (ja1):
2d(.05) + d(.10) = 1.20
OpenStudy (ja1):
So now we need to solve this.
OpenStudy (anonymous):
d=6
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OpenStudy (ja1):
Yes good, :D
OpenStudy (ja1):
I was going to explain but I guess you got this :)
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