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NobleWho
24.02.2021 •
Mathematics
-500 < or equivalent to 11 - 60
Solved
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Ответ:
Step-by-step explanation:
Will bought several books that cost $ 2.50 each and received a $ 2 discount on the total bill. If he paid $ 10.50, how many books did he buy ?
2.50x - 2.00 = 10.50
2.50x = 10.50 + 2.00
2.50x = 12.50
x = 12.50/2.50
x = 5he bought 5 books