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Verified answer
1 3/4 jam = 7/4 jam = 7/4 x 60 = 105 menit135 menit : 105 menit
9 :7
Verified answer
135 menit : 1 ¾ jam= 135 menit : 7/4 jam
= 135 menit : 7/4 x 60 menit
= 135 menit : 105 menit
= 135 menit/15 menit : 105 menit/15 menit
= 9 : 7