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Help? This is for khan academy
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Help? This is for khan academy

Help? This is for khan academy-example-1
User Range
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10 votes
I think it is 236 and4627 ?
User Kirk Roybal
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Answer:

  • 12 babies
  • 4 adults

Explanation:

Let x represent the number of adult dinosaurs. Then 3x is the number of babies. The total number of paintings is ...

15(3x) +7(x) = 208

52x = 208 . . . . . . . . . simplify

x = 4 . . . . . . . . . . . divide by 52

3x = 4·3 = 12

There were 12 baby dinosaurs and 4 adult dinosaurs.

User Toni Rikkola
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