Mathematics, 01.07.2019 04:50 jessv01

An adult blinks about 450 times in 30 min. a 12 year old blinks about 150 times in 15 minutes. how many more times does an adult blink in 60 minutes than a 12 year old? ( explain clearly)

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

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