Based on the exchange rate and Victor's budget, hector can see the sumo tournament and have about $322 left over.
Conversion rate of US dollars to Japanese yen = 1 : 94.153
Ratio of dollar to Yuan
1 : 94.153 = x : 5,488
1/94.153 = x / 5,488
1 × 5,488 = 94.153x
5,488 = 94.153x
x = 5,488 / 94.153
x = 58.2881055303601
Approximately,
x = $58
Amount left with Victor = Total money with Victor - amount spent
= $380 - $58
= $322
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