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Sagot :
150x2 because 15 minutes is half that of 30
=300
then times that by 2 again to get an hour so 600
then times 450 by 2 to get an hour so 900
then subtract 600 from 900 which is 300
300 more times is your answer
=300
then times that by 2 again to get an hour so 600
then times 450 by 2 to get an hour so 900
then subtract 600 from 900 which is 300
300 more times is your answer
Answer:
300 times more.
Step-by-step explanation:
An adult blinks about in 30 minutes = 450 times
An adult blinks in one minute = [tex]\frac{450}{30}[/tex]
= 15 times
In 60 minutes an adult blinks = 60 × 15 = 900 times
A 12 year old blinks about in 15 minutes = 150 times
A 12 year old blinks in one minute = [tex]\frac{150}{15}[/tex]
= 10 times
In 60 minutes a 12 year old blinks = 60 × 10 = 600 times
The difference between the number of blinks in 60 minutes = 900 - 600
= 300 times
In 60 minutes an adult blink 300 times more than a 12 year old.
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