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Function: driver

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Cacher.php
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Function: initiateCache

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: _error_handler

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

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File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
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Function: require_once

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Function: _error_handler

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
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Function: model

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/libraries/Common.php
Line: 392
Function: getFloatingMyInfo

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/application/controllers/ver3/Contents.php
Line: 559
Function: get_footer

File: /volume1/web/PhpstormProjects/www_polymath_co_kr/index.php
Line: 315
Function: require_once

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[창의 퍼즐] 성냥과 함께하는 쉬운 문제
Sandwich 2021.06.04 21:35 조회 358
문제 푼 사람 1명
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페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

 하나당 모두 타들어가는데 10분이 걸리는 성냥이 하나 있었다. 이 성냥에 라이터로 불을 붙여서 3분 동안 태우고 모두 타는데 성냥개비의 화력으로 16분이 필요한 샌드위치에 그 성냥을 가져다가 태우기 시작했습니다. 샌드위치가 서서히 타들어가고 4분이 지난 후 2분 동안 끓여야 하는 라면을 끓이고 있을 때, 라면은 몇 개를 끓일 수 있을까? 또, 샌드위치는 전체의 몇 분의 몇이 탈까?

(단, 이 라면은 한 냄비에 한 개씩 끓여야 함.)

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