Difference between revisions of "2020 AMC 10B Problems/Problem 7"

(Created page with "Even numbers are divisible by 2, and thus the numbers we are looking for are divisible by 3 X 2, or 6. The square numbers will be 36 X other square numbers. 36X1, 36X4, 36X9,...")
 
(Blanked the page)
(Tag: Blanking)
Line 1: Line 1:
Even numbers are divisible by 2, and thus the numbers we are looking for are divisible by 3 X 2, or 6. The square numbers will be 36 X other square numbers. 36X1, 36X4, 36X9, 36X16, 36X25, 36X36, 36X49 are all less than 2020. There are 7 of these square numbers divisible by 6, so the answer is 7
+
 

Revision as of 16:29, 7 February 2020