Bunuel wrote:
In a garden, the ratio of roses to tulips is 3:2, and the ratio of tulips to daisies is 4:5. What is the ratio of roses to daisies?
A. 3:5
B. 1:2
C. 2:3
D. 4:5
E. 6:5
Let R = # of roses in garden
Let T = # of tulips in garden
Let D = # of daisies in garden
Given: R/T = 3/2 and T/D = 4/5
Notice that (R/T)(T/D) = R/D, which isour desired ratio .
So, R/D = (3/2)(4/5) = 12/10 = 6/5 = 6:5
Answer: E
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