Linear equations
Asked by | 7th Sep, 2008, 11:34: AM
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 | 8th Sep, 2008, 05:14: PM
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