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Solution


Q.

Piyush sells a saree with an 8% profit and a sweater with a 10% discount, earning a total of Rs 1008. If he had sold the saree with a 10% profit and the sweater with an 8% discount, he would have earned Rs 1028. Denote the original price of a saree and a sweater by Rs x and Rs y respectively and answer the following questions:

(iii) (a) Where does the linear equation represented by the first situation intersect the X-axis
1 2800/3  
2 -2800/3  
3 2500/3  
4 2800/30  

Ans.

(1)

(a) At x-axis, y = 0 ⇒ 1.08x = 1008 ⇒ x = 1008 / 1.08 = 2800/3