computer store sold 4 hard drives and 10 pen drives for rs 200 and 14 pen drives and 6 hard drives for Rs 290 Find the cost of a pendrive and a hardrive
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Answered by
0
Answer:
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Step-by-step explanation:
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Answered by
5
Answer:
₹10 and ₹25 respectively
Step-by-step explanation:
Let the cost of 1 pen drive and 1 hard drive be x and y respectively,
ATQ,
4y+10x=200
=> 24y+60x=1200 ---(1)
and,
14x+6y=290
=> 24y+56x=1160 ---(2)
(1)-(2), we get,
24y-24y+60x-56x=1200-1160
=> 4x=40
=> x=₹10
Substituting the value of x in (1), we get,
24y+60(10)=1200
=> 24y+600=1200
=> 24y=600
=> 4y=100
=> y=₹25
∴ The cost of 1 pen drive and 1 hard drive is ₹10 and ₹25 respectively.
Hope it helps :)
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