AdrianBrewer8168
04.12.2020 •
Mathematics
In the 2000 Summer Olympics Russia earned twice as many gold medals as Australia. Italy earned three less than Australia. They earned 61 gold medals in total. How many gold medals did Italy earn? (PLEASE ANSWER!!)
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Ответ:
Step-by-step explanation: Let X stand for Australia.
2x for Russia
x for Australia
x-3 for Italy
Equation: 2x + x + x - 3 = 61
Combine: 4x - 3 = 61
Add 3: 4x = 64
Divide: x = 16
But it back: 2(16) + 16 + 16 - 3 = 61 --> 64 - 3 = 61
So the answer is x = 16.
Ответ:
The full explanation is here. https://www.mathpapa.com/algebra-calculator.html?q=(3x%2B2)%2F4%3E%E2%88%9220
Step-by-step explanation: