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Sagot :
Answer:
Step-by-step explanation:
☼︎Answer:
The cost price of cow = Rs.80
Explanation:
☼︎Given :-
- By selling a cow for Rs 144, there is a profit of the same percentage as its cost price.
☼︎To Find:-
- The cost price.
☼︎Let:-
- The cost price of cow = Rs.x
☼︎Solution :-
[tex] \sf x + x \: of \: x\%= 144 \\ \\ \sf \implies x + \frac{x \times x}{100} = 144 \\ \\ \sf \implies {x}^{2} + 100x - 14400 = 0 \\ \\ \sf \implies x(x - 80) + 180(x - 80) = 0 \\ \\ \sf \implies x + 180 = 0 \\ \\ \sf \implies x = - 180 \\ \\ \sf \therefore \: {\boxed{ \sf \pink{x = 80}}}[/tex]
Hence:
The cost price of cow =Rs80
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