At a book fair, Danesh buys three pencils that cost Tk. 3.25 each, and a color pen that costs Tk. 5 . Which expression represents the amount of change , he should get when paying with a twenty taka note?
Created: 7 months ago | Updated: 1 month ago
Job Solution Trust Bank Ltd Trust Bank Ltd - Assistant Officer - 14.01.2011 গণিত
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He has 20 tk

He buys three pencils that cost tk. 3.25 each so the cost of 3 pencils = 3(3.25)

And also a color pen that costs tk. 5 .

So, he should get  = 20-3(3.25)-5 

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