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CBSE Class 10 Answered

linear equations
Asked by | 27 Jan, 2009, 07:48: PM
answered-by-expert Expert Answer

let original duration is x days and daily expense is y  so we have for the first case x.y = 3600......(1)   and for the second case (x + 4)(y - 30) = 3600......(2)

solving we get x = 20  and y = 180  so original  duration of journy is 20 days

Answered by | 28 Jan, 2009, 07:45: PM

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