if the price of a pen is increased by 10%, 4 fewer pens can be purchased for rd 400. find the original price of the pen
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Answered by
4
Cost price= Rs (5*18+ 3* 20) = Rs 150. The oringinal price is Rs 150.
Answered by
4
Answer:
9.09
Step-by-step explanation:
let
cp = x then 400/x
sp => x + (10/100)*x = 11x/10 then 4000/11x
by question:
=>4000/11x - 400/x = 4
=>4000-4400/11x = 4
=>44x = 400
=>x = 9.09
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