A bag contains 3 red marbles. The ratio of red marbles to blue marbles is 3 : 7. Find the number of blue marbles in the bag.

asked Dec 16, 2022 92.9k views

23 votes

by AMacK

4.2k points

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6 votes

Answer:

7 blue marbles

Explanation:

because 3:7 equals red:blue so blue = 7

Adam Albrecht answered Dec 19, 2022

3.9k points

7 votes

3:7
3=red
7=blue
There are 7 blue marbles in a bag.

Asiby answered Dec 21, 2022

by Asiby

4.3k points

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