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By Posted on

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Jawaban:

• Waktu

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Learn With Tjo

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1 2/5 jam – 240 detik

= 7/5 jam – 240 detik

= 84 menit – 240 detik

= 84 menit – 4 menit

= 80 menit

PENYELESAIAN SOAL !

1 Jam = 60 Menit

1 menit = 60 detik

Maka,

1frac{2}{5}~Jam-240~detik\ =(frac{7}{5}times 60)-frac{240}{60}\ =(12times 7)-4~Menit\=84~Menit-4~Menit\=80~Menit

#Semangat Belajar