Предмет: Математика, автор: Bogdan7479ko

В книгеее 180 стр прочитали 5/12
сколько надо прочитать
СДЕЛАЙТЕ РЕШЕНИЕ А НЕ ПРОСТО ОТВЕТ

Ответы

Автор ответа: XexRP

сделаем схемку, ладно?
Всего-180стр<--|.
проч.-5/12 от __|
осталось-?стр
1)180:12*5=15*5=75(стр)- прочитали
2-ой способ
1)180*5/12=75(стр)-прочитали
2)180-75=105(стр)-осталось прочитать.
Ответ: осталось прочитать 105 страниц.

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