10179_쿠폰.ipynb

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      "3\n",
      "100.00\n",
      "$80.00\n",
      "59.99\n",
      "$47.99\n",
      "20.00\n",
      "$16.00\n"
     ]
    }
   ],
   "source": [
    "for _ in range(int(input())):\n",
    "    p = float(input())\n",
    "    print(\"$%.2f\" % round(p*0.8, 2))"
   ]
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