CBSE Class 11-science Answered
find
Asked by | 24 Sep, 2008, 10:46: PM
Expert Answer
let x denotes the price and y denots the amount
so we have to find the straight line which passes through (14,980) (16,1220)
the line will be (y-980) = (1220-980) / (16-14) (x-14) =>y-980 = 120(x-14)
now x is given as 17. put in the equation of line
y =980 + 120 (17-14) = 1340
so he call sell 1340 litre of milk at the price of Rs. 17.
Answered by | 25 Sep, 2008, 01:13: AM
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