Question

7 mins 80 sec convert into seconds

Answer 1

(1 min=60 sec)

1 min*60=60 sec

7 min*60=420 sec

7 min*60+80=420+80 sec=500 sec

$<marquee behaviour = red ><h1> hope it helps u </h1></marquee>$

Answer 2

$hey \: user \\ 1 \: min \: = \: 60 \: sec \\ \: so \: 7 \: min \: = 60 \times 7 = 420 \: sec \\ and \: 80 \: sec \: have \: to \: ne \: added \\ so \: it \: become \: 420 + 80 \: = 500 \: sec \\ | \leqslant < regards \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: akshat \: rajput \geqslant > |$