Answered

the ratio of red marbles to blue marbles is 3:4. which of the following I a possible total number of marble??

A21
B32
C30
D40

Verified Answer :

18comiskej

That answer is a
Hope this helps

flipster

I believe it is A- 21.

3:4 = 10 : 11
10 + 11 = 21

HOPE THIS HELPED
:)

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