Problema Solution

Julia collects colored beads for craft projects. Of Julia’s beads, 4/

9 are silver, 1/

5 are gold, and

1/

4 are blue. The rest of the beads are red. Which expression gives the closest estimate of the

fraction of red beads Julia has?

Answer provided by our tutors

1 - (4/9 + 1/5 + 1/4) = 19/180 or approximately 18/180 = 1/10 of the beads are red

click here to see the simplifying of the expression