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I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers?

 Jul 22, 2021
 #1
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See  here  :

 

https://web2.0calc.com/questions/i-pick-two-whole-numbers-x-and-y_1

 

 

cool cool cool

 Jul 22, 2021

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