claraesson5581
07.02.2021 •
Mathematics
Find the missing numbers of the magic square.
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Ответ:
In the first case he spends 35 cents for 10 cards:
35 cents / 10 cards = x cents / 1 card
35/10 = 3.5 cents per card!
In the second case he spends 40 cents for 12 cards:
40 cents / 12 cards = x cents / 1 card
40/12 = 3.333 cents per card!
Now compare the two :)