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Alikolomi
@Alikolomi
August 2021
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скільки коштує 1 кг цукерок, якщо за 2 цілих 4/5 кг заплатили 84 грн?
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qwestapollo
2 цілих 4/5=2 кг 800 гр. (100:5х4=800гр)
84:2,8=30 грн. вартість 1 кг
2 votes
Thanks 5
qwestapollo
дякую!
Kate7877
Складаємо пропорцію:
2 4/5 кг - 84 грн,
1 кг - х грн.
2 4/5 = 14/5
Х= 84*5/14=420/14=30 грн.
5 votes
Thanks 8
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Answers & Comments
84:2,8=30 грн. вартість 1 кг
2 4/5 кг - 84 грн,
1 кг - х грн.
2 4/5 = 14/5
Х= 84*5/14=420/14=30 грн.