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? (2 points)
Stacey Warren - Expert brainly.com
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HELP A SISTER OUT [:
do I get 2 points for answering this?
ha just kidding, I think this is a a algebraic substitution problem. Let me just work it out on some paper
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Thank you jarobins your a big help (: !
Let D be the number of dimes, Q be the number of quarters.
Write an equation for the total number of coins.
Write an equation for the total value of the coins.
Multiply eq. 1 by -10 and add to eq. 2,
Then from eq. 1,
Thirty dimes and sixteen quarters.
awe man. merchandise got me. But I think you got it wrong merch