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CBSE Class 10 Answered

Linear equations
Asked by | 07 Sep, 2008, 11:34: AM
answered-by-expert Expert Answer

let mess charge of one day be = x

and fixed charge is =y

so y+20x=1000

and y+26x=1180

subtract both the equations we get 6x=180 or x=30

substutinfg x in equation we get y=400

so charges whwn food is taken for 17 days wii be= 400+30*17=910

Answered by | 08 Sep, 2008, 05:14: PM
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