Question

3/20jam +4/15 menit=.......detik

sama pake cara ya....

Answer 1

Verified answer

= (3/20×3.600)+(4/15×60)
=540+16
= 556 detik

Answer 2

3/20jam +4/15 menit=.......detik
1jam =3600 detik
1menit =60 detik

3/20jam = 3/20 ×3600= 3x 180=540 detik

4/15 menit=4/15 ×60 =16 detik

3/20jam +4/15 menit
=540 +16=556detik