
Fractions and Proportions
Sarah has a bag of marbles containing 30% red marbles and 70% blue marbles. If she adds 20 more red marbles to the bag, what will be the new proportion of red marbles to blue marbles in the bag? Show your work.
Sarah has a bag of marbles containing 30% red marbles and 70% blue marbles. If she adds 20 more red marbles to the bag, what will be the new proportion of red marbles to blue marbles in the bag? Show your work.
Please confirm you want to block this member.
You will no longer be able to:
Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.