3 years ago

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.

Mathematics

2 answers:

Paraphin [41]3 years ago

5 0

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

Phoenix [80]3 years ago

4 0

Answer:

7 blue marbles

Step-by-step explanation:

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

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