chris brown has 15 coins all dimes and quarters the value of the 15 coins is $2.85. how much dimes does she have?
Raymond B.
answered 11/11/20
Math, microeconomics or criminal justice
6 Dimes
and 9 Quarters
6+9= 15 coins
10D + 25Q = 285
10D + 10Q = 150, subtract to get
15Q = 135
Q = 135/15 = 9
D = 15-9 = 6
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