1.

By selling the products at 75% of the marked price, a salesman sells 40% more products. If his revenue is increased by Rs. 2800/, what revenue did he make before he made the changes?​

Answer»

Answer:

his REVENUE increases by 2800 which is due to the extra 40 sales minus what he loses by selling it at 75% of tea marked price

let X be the number of PRODUCTS he sold initially

let y be the cost of each product

then, 2800 = (0.4x) 0.75y - (0.25y) (x + 0.4x)

2800 = 0.3xy - 0.35xy

2800 = 0.05xy

xy = 2800/0.05

xy = 56000

revenue before he made changes is xy thus was 56000



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