The owner of a milk store finds that, he...

The owner of a milk store finds that, he can sell 980 litres of milk each week at Rs 14/litre and 1220 litres of milk each week at Rs 16 / litre. Assuming a linear relationship between selling price and demand, how many litres could he sell weekl

`1340`

`1530`

`1220`

`1635`

Text Solution

Verified by Experts

The correct Answer is:

`L = mp + b`
`p = 14, L = 980`
`980 = 14m + b`…..(1)
`p = 16, L = 1220`
`1220 = 16m + b`……(2)
`(1)` & `(2)`
`m = 120`
`b = - 700`
`L = 120p - 700`
Put `rArr p = 17`
`L = 120(17) - 700 = 1340`

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