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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?
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8 votes
8 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?

User RMuesi
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1 Answer

7 votes
7 votes
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 Ferini
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