Предмет: Математика, автор: Кайлорен159

Помогите!! За день продали 6 чайных чашек,по 100руб.каждая,и 10 кофейных ,получив за все проданные чашки 1.800 руб.Сколько стоила кофейная чашка? Помогите решить!

Ответы

Автор ответа: lalabum

0

1800-6*100=1200
1200:10=120

Автор ответа: Egorproksh2

0

1) 6*100=600(р.) - за все чайные чашки.
2) 1800-600=1200(р.) - все кофейные.
3) 1200:10=120(р.) - одна кофейная.
Ответ: 120 рублей.

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