Question

if the cost of 7 pens is rupees 60 more than the cost of 5 pen, find the cost of 10 pens you have. the results should be rupees 300​

Answer 1

Answer:

lets the cost of one pen be x

the cost of 7 pen is 7x

according to the condition ,

7x = 60+5x

7x-5x=60

2x=60

x=60/2

X=30

Therefore The cost of 1 pen is 30 Rs

Therefore

The cost of 10 pens = 10x30 = 300

Therefore The cost of 10 pen is 300 Rs

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Answer 2

Answer:

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