Jawaban:
1. laki laki = 15
perempuan = 20
perbandingan laki2 dan perempuan = 15 : 20
= 3 : 4
2. 9/4 kg : 5,7/1 kg
9/4 × 1/5,7
= 9/22,8
3. 5/4 × 84
= 105°C
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Jawaban:
1. laki laki = 15
perempuan = 20
perbandingan laki2 dan perempuan = 15 : 20
= 3 : 4
2. 9/4 kg : 5,7/1 kg
9/4 × 1/5,7
= 9/22,8
3. 5/4 × 84
= 105°C