Tools
Ratios & Unit Rates
Red 8
Red
Red
Yellow
Yellow
Yellow
Yellow
Yellow
Green
14 Uəa1991
The ratio of the books in the sample above is representative of the books in a bookcase in the library. If there are 21 red books in
the bookcase, then how many yellow books are in the bookcase?
A.40
B.35
c. 30
D. 42