3.Josh has a huge marble collection. He counts 280 marbles that are red, and he estimates that this is about 10% of his collection.

A.Write and solve a proportion to estimate the total number of marbles Josh has.

6 answers

Look at the total number of marbles from the one group, and look at the percentage that is estimated for the collection. You should be able to figure it out from there.
is the correct answer 2800 marbles
Yes. That would be correct.
thanks so much irving
No problem. I'm glad to be of help.
280 of 10% ??