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VARVARA [1.3K]
4 years ago
7

Explain your answer!

Mathematics
2 answers:
Fudgin [204]4 years ago
8 0

Answer:

540 seconds

Step-by-step explanation:

  1. 15 min = 900 seconds
  2. Plug 900 in: Blinked 85 times in 900 seconds
  3. Set up a proportion: \frac{85}{900} = \frac{51}{x}  
  4. Cross multiply, then divide: 900 × 51 = 45900, 45900 ÷ 85 = 540 seconds

I hope this helps!

lukranit [14]4 years ago
4 0

Answer:

5.6 i think

Step-by-step explanation:

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