sticks

2 Questions
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0

379

1

+8

Please help me solve this hard problem.

Suppose that xy = yx and 3x / 4. What is x+y?

sticks Feb 1, 2021

0

395

1

+8

Please help meeeee! cant solve this.

Let a, b, c, and d be positive integers. We know that a+b = kc, b+c = kd, c+d =ka, d+a = kb. Find the maximum of a/b + b/c + c/d + d/a.

sticks Feb 1, 2021