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Mathematics, 20.09.2019 02:30 lilGi0

An adult blinks about 450 times in 30 minutes. a 12 year old blinks about 150 times in 15 minutes. how many more times does an adult blink in 60 minutes that a 12-year-old?

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An adult blinks about 450 times in 30 minutes. a 12 year old blinks about 150 times in 15 minutes. h...
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