SOLUTION: A child's bank contains $6.30 in dimes and quarters. There are twice as many dimes as quarters. How many of each kind of coin are in the bank?
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Question 517697: A child's bank contains $6.30 in dimes and quarters. There are twice as many dimes as quarters. How many of each kind of coin are in the bank? Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! d=2q
10d+25q=630
10*2q+25q=630
20q+25q=630
45q=630
q=14
d=28
check
14*25=250+100=350
10*28=280
350+280=630
ok
