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Mohan is selling cookies at the economics fair. As he decides how to package the cookies, he finds that when he bags them in groups of 4, he has 3 left over. When he bags them in groups of 5, he has 2 left over. When he bags them in groups of 7, he has 4 left over. What is the least number of cookies that Mohan could have?

 Mar 25, 2020
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Here's my answer to a previous problem:

 

https://web2.0calc.com/questions/suppose-we-have-an-unknown-number-of-objects-when#r1

It employs the same principle. See if you can try to solve it with my method, and try playing around with it. 

 Mar 25, 2020

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