A trader bought a no.of articles for rs900. Five articles were found damaged. He sold remaining at rs20 more than what he paid for it. He got profit transaction. Fund the number of article he bought
Answers
Answered by
0
hey mate here is your answer. May it is wrong because I had done it in hurry if it is right ,mark me as a brainliest
Attachments:
Answered by
1
Answer:
let the total no of aarticles be n
let the value of one article ne a
given:
na=900
a=900/n
(n-5)*(a+2)=980
na-5a+2n=990
900-5(900/n)+2n=990
2n-4500/n=90
n2-2250=45n
n2-45-2250=0
n(n-75)30(n-75)
(n+30) (n-75)
n=-30 n=75
sine the no of arrticles cannot be in negative
the answer is 75
Step-by-step explanation:
Similar questions