Предмет: Математика, автор: Stay888

80:s=10:7 пж помгите

Ответы

Автор ответа: DoniLittorio

Ответ:

s=56

Пошаговое объяснение:

80/s=10/7

80*7=10s

560=10s

s=56

Ivan19074: правильно

Автор ответа: vinderkind

Ответ:

s=56

Пошаговое объяснение:

1 спосіб.

$\frac{80}{s} = \frac{10}{7}$

Розв'язухмо як пропорцію:

$s = \frac{80 \times 7}{10} = 56$

2 спосіб.

Домножимо другу частину на 8:

80:s=80:56

Очевидно, що щоб виконувалась дана рівність s повинно бути рівне 56.

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