Question

Mr A buys a building for #300 and sell it to Mr b at tge profit of x%.Mr B sells it to Mr C at the profit of x%.Mr C paid #(6x + 3/4) more for the building than Mr a paid.How much before as the profit

Answer 1

Mr. A & Mr. B  Sold at profit of 5 % each if Mr. A & buy for 300 & C Paid 6x + 3/4 more than Mr. A

Step-by-step explanation:

Mr A buys a building for 300

sell it to Mr b at the profit of x%

=> Mr. B buy at  = 300  + (x/100)300   = 300 + 3x

Mr B sells it to Mr C at the profit of x%.

=> Mr. C buy at  = 300 + 3x   + (x/100)(300 + 3x)   = (300 + 3x)(1 + x/100)

(300 + 3x)(1 + x/100)   - 300  =  6x  + 3/4

(100 + x) ( 100 + x)/100  - 100  = 2x  + 1/4

(100 + x) ( 100 + x) - 10000 = 200x + 25

x² + 200x + 10000 - 10000 = 200x + 25

=> x² = 25

=> x = 5

Each sold at profit of 5 %

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