Problem:
A flower bouquet contains pink roses, red roses, pink carnations, and red carnations. One third of the pink flowers are roses, three fourths of the red flowers are carnations, and six tenths of the flowers are pink. What percent of the flowers are carnations?
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Solution:
Because six tenths of the flowers are pink and two thirds of the pink flowers are carnations, of the flowers are pink carnations. Because four tenths of the flowers are red and three fourths of the red flowers are carnations, of the flowers are red carnations. Therefore of the flowers are carnations.
The problems on this page are the property of the MAA's American Mathematics Competitions