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29.06.2019 •
Mathematics
Acollection of dimes and nickels is worth $3.30. if there are 42 coins in all, how many of each kind of coin are there?
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Ответ:
Step-by-step explanation:
Ответ:
32,10
Step-by-step explanation:
3.30x100=330
10x+5y=330
x+y=42
32 dimes
and
10 nickels
Ответ: