Mary has 12 marbles. #3/12# of the marbles are yellow and #2/12# of the marbles are blue. The rest of the marbles are green. How many marbles are green?

1 Answer
Jan 23, 2018

See a solution process below"

Explanation:

#3/12# is the same as saying #3# of the #12#

And, #2/12# s the same as saying #2# of the #12#

Therefore, #3 + 2 = 5# of the #12# are yellow or blue.

So, #12 - 5 = 7# of the #12# are green.