Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


jar contains 10 red marbles and 30 green Ones. How many red marbles
must be added to the jar so that 60 % of the marbles will be red?



40 marble...................100%
so there are 10 marble so 50%
so 2marble should be add to make 60%
1 1 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts