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Mass888
@Mass888
November 2021
1
9
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Найдите число А, если 3/5
от А равны 40% от числа (А + 10).
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ОльгаРоманова99
3/5 × А = 0,4(А + 10)
0,6А = 0,4А + 4
0,6А - 0,4А = 4
0,2А = 4
А = 4 ÷ 0,2
А = 40 ÷ 2
А = 20
Ответ: 20
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Answers & Comments
0,6А = 0,4А + 4
0,6А - 0,4А = 4
0,2А = 4
А = 4 ÷ 0,2
А = 40 ÷ 2
А = 20
Ответ: 20