Question

type the correct answer in each box. use numerals instead of words. students in a reading class have three options for their book project: making a brochure, writing a news article, or designing a computer presentation. from past years, the teacher has determined that 20% of students usually choose to make a brochure, 30% of students usually choose to write a news article, and the remaining students usually choose to design a computer presentation. if the teacher uses 20 colored chips in three different colors to model this situation, how many colored chips should she use to represent each book project option? making a brochure: blue chips writing a news article: yellow ships designing a computer presentation: red chips

Explanation:

Step1: Calculate chips for brochure

$20\times20\%=20\times0.2 = 4$

Step2: Calculate chips for news - article

$20\times30\%=20\times0.3 = 6$

Step3: Calculate chips for computer - presentation

First, find the percentage of students choosing computer - presentation: $100\%-(20\% + 30\%)=50\%$. Then, $20\times50\%=20\times0.5 = 10$

Answer:

making a brochure: 4 blue chips
writing a news article: 6 yellow ships
designing a computer presentation: 10 red chips