Lizzy: At Mrs. Dawson's rose garden, there are 10 rows of roses. In each row, there are 20 roses where 1/2 of these roses are red, 3/5 of the remaining are white and the rest are pink. How many roses at Mrs. Dawson's rose garden are pink?.
Me: Hmmm, let me think. I think this is the detailed solution:
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There are 20 x 1 / 2 = 10 red roses in each row. So there are 20 - 10 = 10 roses that are not red in each row. Out of the 10 remaining roses in each row, 10 x 3 / 5 = 6 roses are white. Thus, there are 10 - 6 = 4 pink roses in each row. Therefore, Mrs. Dawson has 4 pink roses each in 10 rows for a total of 4 x 10 = 40 pink roses in her rose garden. Final answer: 40.
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