Aurora
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PROBLEMA MATEMATICO

PROBLEMA MATEMATICO

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Aurora Presentation Transcript

  • 1. LAS DOS MECANÓGRAFAS
    SE LE ENCARGO A DOS MECANÓGRAFAS QUE COPIARAN UN INFORME. LA QUE ESCRIBÍA MÁS RÁPIDAMENTE HUBIERA PODIDO CUMPLIR EL ENCARGO EN 2 HORAS; LA OTRA, EN 3 HORAS. ¿EN CUÁNTO TIEMPO COPIARÁN AMBAS ESE INFORME?
  • 2. VELOCIDAD 1 = I/ 2 H
    VELOCIDAD 2 = I/ 3 H
    I ES EL TRABAJO
    T ES EL TIEMPO
    I = ( I/2 H + I/3 H) T
    FORMULANDOI = I( 1/2 H +1/3H ) T
  • 3. DESPEJANDO TT = I / (I( 1/2 H +1/3 H )) SIMPLIFICANDO I
    T = 1 / ( 1/2 H +1/3 H ) =
    T= 1/ (5/6H)=
    T= 6/5 H
  • 4. 6/5 = 1.2 horas = 72 min
    SI TRABAJAN JUNTAS TARDARAN 72 min O
    1 hora y 12 min.