10. The ratio of blue marbles to red marbles in a bag is 12:7. If there are 60 blue marbles in the bag, how many red marbles are there?

35 red marbles

Step-by-step explanation:

60÷12=5 (one ratio of marbles)

5×7=35

1) compound noun
2) common noun 
3) agreed
4) adverb 
5) in place of
6) sandwich
7)"The word “very” is an adjective describing how much. I think for this one"
8) adverb
9) about
10) will go 
sorry if it's not right i did my best to make it happen 
have a great day!!!