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21.08.2019 •
Mathematics
Today each cookie costs $0.75 less than the normal price. right now if you buy 7 of them it will only cost you $2.80.
find the normal price of each cookie.
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Ответ:
Ответ:
(2,5) (6,9) (7,2)
Step-by-step explanation:
the first number is the x and the second number is the y