3
Part of 2022 MMATHS
Problems(2)
2022 MMATHS Team Online p3 - Venn diagram helps
Source:
10/1/2023
There are people at a beach, each of whom owns a cat, a dog, both, or neither. If percent of cat-owners also own a dog, percent of dog-owners do not own a cat, and percent of people who don’t own a cat also don’t own a dog, how many people own neither type of pet?
algebraMMATHS
2022 MMATHS Individual p3 -mistyping sum of 20 first pos. integers
Source:
10/1/2023
Luke and Carissa are finding the sum of the first positive integers by adding them one at a time. Luke forgets to add a number and gets an answer of . Carissa adds a number twice by mistake and gets an answer of . What is the sum of the number that Luke forgot and the number that Carissa added twice?
algebraMMATHS