there are 5 red marbles, 8 blue marbles, and 12 green marbles in a bag.

what is the theoretical probability of randomly drawing either a red marble or a blue marble?

12 answers

there are 25 marbles
how many are red or blue?

Clare/ana -- what do you think?

I showed you how to solve problems like this.

I don't understand it

is it 13%

No.
How did I solve your last problem? What was my answer?
What hint did oobleck give you?

oh its 52%

or 25/13

Almost right.

It's 13/25

oh right sorry about that

100 (13/25) = 52% correct
BUT
NOT
25/13 !!!!!!

ok ok I get it but im still right thank u Ms.sue

You're welcome, Clare.