ThisaraMalintha

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  • Nov 16, 2015
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    Kohomada bn me wage gaanak hadanne?

    If Rozanne cycles from her home to her school at a speed of 4kmh-1 she is 5 minutes late.If she travels at a speed of 6kmh-1 she is 3 minutes early.What is the distance from her home to her school?

    Danna ekk innawa nm commentuwak dagena yamu
     

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    Let the distance to school be x km
    Time taken = x /4 hours
    x/ 4 - 5/60 = x/ 6 + 3/60
    MULTIPLY BY 60
    15x -5 = 10x + 3
    5x = 8
    x = 8/5 = 1.6 km ANSWER
     
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    EVC

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  • Sep 15, 2008
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    Time = t
    speed= distance/time

    from home to school distance x

    1 eq 4*10^3/ 3600 = x/(t-5*60)
    2 eq 6*10^3/3600= x/(t+3*60)

    oya eq2 solve karanna
     
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    but 8/5= 0.4 km bro.

    uba ganja gahalada inne

    837b35ee5d25b5ce7b07f292c27cc90533dd9fd4


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