29.7k views
2 votes
1

The ratio of Suzie's marble collection is 3 red marbles to 7 blue marbles. She has 36 red

marbles, so how many blue marbles does she have?

1 Answer

1 vote
84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)
User Shobhit Chittora
by
3.3k points