Question

find the ratio of given quantities for the following
3 hours and 90 minutes


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Answer 1

Answer:

$\color{black}\boxed{\colorbox{saffron}{1 hour=60 minutes }}$

3 hours = 3×60 = 180 minutes

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= 180:90

$\cancel{180}{:}\cancel{90}$

= 1:2

Answer 2

2:1 is the ratio for 3 hrs and 90 minutes i.e.1.5 hr