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!!)

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.

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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