1 Answer

Mjolka · Answer 1 · 2023-03-16T02:48:41+0000

The time on the clock is

$1\colon00$

The time it will be in 1 hours will be

$1\colon00\text{ +1hour= 2:00}$

The time it will be 3 hours 30 minutes ago will be

$1\colon00-3h\text{ 30 minutes= 9:30}$

The time it will be in 1 hour 30 minutes will be

$1\colon00-1h\text{ 30 minutes=2:30}$

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