nagitoslice
Answered

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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.

Sagot :

wildwing93

Answer:

7 blue marbles

Step-by-step explanation:

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