3 years ago

If people blink about 13 times per minute, how many times do they blink in 7 hours?

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

Answer:

Step-by-step explanation:

1 hour=60 min

7 hours=60×7=420 min

number of blink=420×13=5460

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