215k views
11 votes
Students in a reading class have three options for their book project: making a brochure, writing a news article, or designing a computer presentation.

Students in a reading class have three options for their book project: making a brochure-example-1
User Yokasta
by
8.0k points

1 Answer

7 votes
The correct answer is:
- brochure 4 blue chips
- article 6 yellow chips
- computer presentation 10 red chips

Work: you have to do the proportions
• 20 : 100= x : 20 ➡️ (20 • 20): 100= 4
• 30 : 100 = x : 20 ➡️ (30 • 20):100= 6
• 50 : 100 = x : 20 ➡️ (50 • 20) : 100: 10

Proof:
4 + 6 + 10= 20 chips
User Sallushan
by
7.5k points