Olympiad Maths Prep

Track / Stage 4 / 243 of 340 #503 of 2000

Problem 503

AMC 12 late, AIME early
Algebra Difficulty 4.9 Find the answer

5. A product that initially contained 98%98\% water dried over some time and began to contain 95%95\% water. By what factor did it shrink (i.e., reduce its weight)?

Official solution

Answer: 2.5. (D)

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