The park has 42 / 3 = <<42/3=14>>14 pink crepe myrtle trees.

It has 2 red trees, so it has 14 + 2 = <<14+2=16>>16 pink and red trees.

Therefore, there are 42 - 16 = <<42-16=26>>26 crepe myrtle trees that have white flowers when they bloom in the park.

# Answer

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A park has three colors of flowering crepe myrtle trees planted: red, white, and pink. When they bloom, a third of them are pink, but only two are red. Most of them are white. There are 42 crepe myrtle trees in the park. How many have white flowers when they bloom?
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A park has three colors of flowering crepe myrtle trees planted: red, white, and pink. When they bloom, a third of them are pink, but only two are red. Most of them are white. There are 42 crepe myrtle trees in the park. How many have white flowers when they bloom?
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