Предмет: Математика, автор: shaxboz24

В саду растут яблони, груши и сливы. Яблонь в пять раз больше чем груш,а слив больше чем груш в три раза. Всего в саду 180 деревьев. Сколько деревьев в отдельности


serafimka222: 5х + х + 3х=180
9х=180
х=20-груш
20*5=100-яблонь
20*3=60-слив

Ответы

Автор ответа: prettypushkova
3

Пусть х - груши, тогда 3х -сливы, 5х - яблони. Всего 180 деревьев. Уравнение:

х + 3х + 5х = 180

9х = 180

х = 180 : 9

х = 20 - груши

20 · 3 = 60 - сливы

20 · 5 = 100 - яблони

Ответ: 100 яблонь, 60 слив и 20 груш.

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