※ 질문하기질문내용1. Since 1960, when tommy graduated from college, he has gained 3 pounds every year. In 1995, he was 30% heavier than in 1960.
Q) what percent of his 2000 weight was his his 1995 weight?
2. A bag has many balls inside. half the balls are plastic, the other half made of rubber. There are a dozen black balls, 8 white balls, and 4 red balls. If Peter reaches into the bag and grabs a ball without looking, what is the probability that the ball will be white and made of rubber?
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2022-04-14 06:09:39
2. 하나의 가방안에 많은 공들이 들어있다. 공의 반절은 플라스틱이고, 다른 반절은 고무로 만들어진 공들이다. 그 가방안에는 12개의 검정공과, 8개의 하얀공, 그리고 4개의 빨간공이 들어있다. 만약 피터가 가방안에 손을 넣어 보지 않고 하나의 공을 집었을 때, 고무로 만든 하얀공을 집을 확률은 얼마인가?