? 45
? 4.50
? 40.50
Mathematics, 15.04.2021 19:20 AllyChance2564
If 20 articles cost ? 90, then the cost of 9 articles is ?
? 45
? 4.50
? 40.50
? 42
Answers: 3
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You know the right answer?
If 20 articles cost ? 90, then the cost of 9 articles is ?
? 45
? 4.50
? 40.50
? 45
? 4.50
? 40.50
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