Find expert answers and community insights on IDNLearn.com. Ask anything and receive comprehensive, well-informed responses from our dedicated team of experts.
The ratio of red pens to black pens is 2:9, the ratio of black pens to blue pens is 5:4. Show less than 50% of the pens are black
Thank you for participating in our discussion. We value every contribution. Keep sharing knowledge and helping others find the answers they need. Let's create a dynamic and informative learning environment together. IDNLearn.com is your source for precise answers. Thank you for visiting, and we look forward to helping you again soon.
