Question

30 minutes to 1.5 hours
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Answer 1

Step-by-step explanation:

we know 60 min = 1 hr.

so, 1 min = 1/60 hr.

30 min = 1/60×30 = ½hr.-------(1)

and 1.5 hr. can be written as = 1.5 = 15/10hr.

= 3/2 hr. --------(2)

now adding equation (1) & (2)

= ½ + 3/2

= 1+3/2 ( taking 2 as LCM )

= 4/2

= 2 hrs.

so the correct answer is 2 hours..

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