a part of monthly expenses of a family is constant and the remaining varies with the price of wheat is rs 500 a quintal the total monthly

Question

a part of monthly expenses of a family is constant and the remaining varies with the price of wheat is rs 500 a quintal the total monthly expenses are rs 1500 and when the cost of wheat is rs 600 a quintal the total monthly expenses are rs 1700 find the monthly expenses when the cost of wheat is rs 900 a quintal by elimination method​

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Cora 1 month 2021-09-15T00:20:12+00:00 1 Answer 0 views 0

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    2021-09-15T00:22:02+00:00

    Let the family buys x queteral wheat

    Let the cost of expense be y

    When rate is 250

    250+y=1000

    When rate is 240

    240 + y = 980

    Solving the other equation we get ,

    x =2 and y = 500

    When rate is Rs.350

    Monthly expenses = 350 Ă—2 +500 = 1200

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