+30 Problem 1.
Find the number of positive integer pairs (x,y) that satisfy xy ≤ 35.
Problem 2.
Find the number of positive integer pairs (x,y) that satisfy 20x ≥ 24y and x < 360.
Problem 3.
Find the number of positive integer pairs (x,y) that satisfy \(\sqrt x\) ≥ y and x ≤ 2024 .
Problem 4.
Find the number of positive integer pairs (x,y) that satisfy x^3 − 30x^2 + 198x + 2024 ≥ y and x ≤ 20 .
