Question

7 pens and 7 inkpots cost rs 122.30. if the cost of one pen is rs 4.60.find the cost of one inkpot

Answer 1

Cost of 7 pens and 7 inkpots= Rs 122.30
Cost of 1 pen = Rs 4.60
Therefore cost of 7 pens = 7*4.60= Rs 32.2
So cost of 7 inkpot= 122.30-4.60 = Rs 117.7
Therefore cost of one inkpot= 117.7/7= Rs 16.81
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Answer 2

hiii friend
here is your answer
7 pens and 7 ink pot cost 122.30
so, representing pen by "i" amd ink pot by "p"
now,
7p + 7i =122.30
7p + 7 (4.60) =122.30
7p + 32.2 = 122.30
7p =122.30-32.2
7p =90.1
p =14.72

therefore the cost pf one ink ot be rs.14.72


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