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DECLINE COOKIES

X and Y are natural numbers.

X = 1; Y = 1

X = 2; Y = 2

X = 3; Y = 3

X = 4; Y = 4

X = 5; Y = 3

X = 6; Y = 2

X = 7; Y = 1

X = 8; Y = 0

How do I express this with a formula? Please, help me!

Guest Dec 5, 2017

edited by
Guest
Dec 5, 2017