Question

20 % of 1 hour 30 minutes is with explaination​

Answer 1

ANSWER:

First we have to make 1 hr 30min in same unit so first we have to make 1 hr 30 min in minutes.

1 hr =60 min

1 hr 30 min =60+30 min

=90 min

Now we have to find 20% of 90 minutes.

$\sf20\% \: of \: 90$

$\sf \cancel{ \frac{20}{100} \times 90}$

$\sf = > 18 \: minutes$

Answer 2

Step-by-step explanation:

First we gave to convert 1 hour 30 minutes into same unit =

1 hour = 60 min

60 + 30 = 90 minutes ,

20 × 100

----

90 = 18 minutes