Предмет: Математика, автор: gerawenko288

Сума двох чисел дорівнює 105. Знайдіть ці числа, якщо 80 % одного з них дорівнює 60 %другого.

Ответы

Автор ответа: Мироми

7

Ответ:

Я бы составила систему.

x+y=105

x*0,8=y*0,6

x+y=105

x=y*0,75

y*0,75+y=105

x=y*0,75

1,75y=105

x=y*0,75

1,75y=105

x=y*0,75

y=60

x=60*0,75

y=60

x=45

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