ToriChristine
15.11.2019 •
Mathematics
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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Ответ:
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
Ответ: