У саду ростуть яблуні, вишні та груші. Яблуні становлять 35 % усіх дерев саду, груш – на 15% менше, ніж вишень. Скільки відсотків усіх дерев саду становлять груші​

voobonaolor voobonaolor    1   05.04.2020 11:19    1

Ответы
cheburek20 cheburek20  03.09.2020 19:40

35+x+x+15=100

35+2x+15=100

35+2x=100-15

35+2x=85

2x=85-35

2x=50

x=50:2

x=25

ответ 25

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