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19 December, 12:39

an adult blinks about 450 times in 30 minutes and 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?

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  1. 19 December, 12:42
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    Answer: 300

    Step-by-step explanation: 450 x 2 = 900

    Adult blinks 900 times an hour

    15 x 4 = 60

    150 x 4 = 600

    900 - 600 = 300
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