MathDB
TOT 441 1995 Spring O J1 sonia has stamps worthy of 5S= dollars

Source:

June 12, 2024
algebranumber theory

Problem Statement

Sonia has 1010, 1515 and 2020 cent stamps with total face value of $5\$5. She has 3030 stamps altogether. Prove that she has more 2020 cent stamps than 1010 cent stamps.