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Mathematics 7 Online
OpenStudy (anonymous):

Umm I don't want you guys to do the work just tell me if I wrote the problem right :) 3. Your piggy bank has a total of 46 coins in it; some are dimes and some are quarters. If you have a total of $7.00, how many quarters and how many dimes do you have? d+q=46 .10d+.25q=7.00

OpenStudy (anonymous):

so 10 dimes and 25 quarters? that would be 7.25, take away one quarter and you'll have the answer

OpenStudy (jack1):

ok so simultaneous equations, yep u got them right, substitute away and solve ;D

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