Question

the number of seconds in 1* 1/3 hours
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Answer 1

$answer = 60 + 20 = 80 minutes\\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 80 \times 60 = 4800 \: seconds$

1 hour has 60 minutes and

1 minute has 60 seconds