Answer:
28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms
Explanation:
Given :A pom-pom manufacturer makes each of its pom-poms with 35% white strands (w), 25% blue strands (b), and 40% red strands (r).
To Find : If each pom-pom has a total of 80 strands, how many of strands of each color are needed to make a pair of pom-poms?
Solution:
Total Strands = 80
White Strands = 35%
No. of white strands =

Blue Strands = 25%
No. of blue strands =

Red Strands = 40%
No. of Red strands =

Hence 28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms