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AlanaSergeeva02
@AlanaSergeeva02
November 2021
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два числа в сумме дают ответ 27. 50% первого числа это 40 % второго числа . найдите эти числа. РЕШИТЕ ПРОШУ . буду очень благодарна
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Regent1828
Verified answer
{ a + b = 27
{ 0,5a = 0,4b
{ a + b = 27
{ a = 0,8b
0,8b + b = 27
1,8b = 27
b = 15 a = 0,8*15 = 12
Ответ: {12; 15}
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Answers & Comments
Verified answer
{ a + b = 27{ 0,5a = 0,4b
{ a + b = 27
{ a = 0,8b
0,8b + b = 27
1,8b = 27
b = 15 a = 0,8*15 = 12
Ответ: {12; 15}