The monthly sales for the first $11$ month of the year of a certain salesman were Rs $12000$ but due to his illness during the last month, the average sale for the whole year. came down to Rs $11, 375.$ Find the value of the sale during the last month.

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Solution

let value of sale during last month be $y .$
According to question,
$\frac{11 \times 12000 + y}{12} = 11375$
$=> y = 12 \times 11375 - 11 \times 12000$
$=> y = 136500 - 132000$
$=> y = R s . 4500$

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The monthly sales for the first 11 month of the year of a certain salesman were Rs 12000 but due to his illness during the last month, the average sale for the whole year. came down to Rs 11,375. Find the value of the sale during the last month.

let value of sale during last month be y.According to question,11×12000+y12=11375=>y=12×11375−11×12000=>y=136500−132000=>y=Rs.4500

The monthly sales for the first $11$ month of the year of a certain salesman were Rs $12000$ but due to his illness during the last month, the average sale for the whole year. came down to Rs $11, 375.$ Find the value of the sale during the last month.

let value of sale during last month be $y .$
According to question,
$\frac{11 \times 12000 + y}{12} = 11375$
$=> y = 12 \times 11375 - 11 \times 12000$
$=> y = 136500 - 132000$
$=> y = R s . 4500$