Blue to red to white ratio is 13:2:6. If blue minus white is 21, what is the red?

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anonymous · Answer 1 · 2013-02-08T04:38:23+0000

The answer is 6. Answer - 13 x 3 =39, 6 x 3 = 18; 39 -18 = 21, therefore the multiple is 3. 2 x 3 = 6.

anonymous · Answer 2 · 2013-02-08T04:45:21+0000

I got the answer differently but it is the same.

Blue ratio minus white ratio is 13-6=7.

21/7=3

the ratio of red is 2 so...3x2=6

so the answer is 6

Blue to red to white ratio is 13:2:6. If blue minus white is 21, what is the red?

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