sydneymorris90 sydneymorris90

08-02-2015
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 :

charfranklin29 charfranklin29

08-02-2015

25 bicycles
gray : black
6 : 9 (6+9=15)

25 divided by 15 = 1.666666667
x 9 (that's how many blacks)
= 15
there are 15 blacks

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