05-01-2015
Mathematics

Answered

There is a total of 25 bicycles. If the ratio of gray bicycles to black bicycles is 6 to 9, how many of them are black?

Answer :

05-01-2015

since the ratio is 6 to 9, 9 out of 15 bicycles will be black.

25 * 9/15 = 15 black bicycles.

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