Предмет: Математика, автор: oganes11

мне задали написать пж помогите Пруд зарастает лилиями-за неделю площадь, занятая лилиям,удваивается. За сколько недель пруд покрылся лилиями наполовину, если полностью он покрылся лилиями за 8 недель?

Ответы

Автор ответа: Варан

за 7 недель ,
если за 8 недель он зарос весь,100%,
то за 7 недель 100:2=50%-ровно наполовину

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