29-09-2022
Mathematics

contestada

Kade has $6.10 in quarters and dimes. He
has 31 coins in all. How many coins of each
type does he have?
A. Q + D = 310.25Q+ 0.10D = 6.10
B. Q + D = 6.100.25Q+ 0.10D = 31
C. Q+ D = 3125Q + 10D = 6.10
D. Q+ D = 6.1025Q + 10D = 31

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