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The cost of 18 pens is Rs. 150 . Find the cost of 66 such pen

User BlaM
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just set up a proportion, 18/150 is equal to 66/x, cross multiply and you’ll get 550.
User Tom Wayne
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I hope this is helpful
The cost of 18 pens is Rs. 150 . Find the cost of 66 such pen-example-1
User Rojoca
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