Perbandingan Berbalik Nilai
a/b = q/p
(2r - 1)/20 = 45/60
Kedua ruas kalikan (60)
(2r - 1)/20 × 60 = 45/60 × 60
3(2r - 1) = 45
6r - 3 = 45
6r = 45 + 3
r = 48/6
r = 8
Jawab:
B. 8
Penjelasan dengan langkah-langkah:
terus kali silang
45 × 20 = 60 × (2r - 1)
dapet deh r = 8
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Perbandingan Berbalik Nilai
a/b = q/p
(2r - 1)/20 = 45/60
Kedua ruas kalikan (60)
(2r - 1)/20 × 60 = 45/60 × 60
3(2r - 1) = 45
6r - 3 = 45
6r = 45 + 3
r = 48/6
r = 8
Jawab:
B. 8
Penjelasan dengan langkah-langkah:
terus kali silang
45 × 20 = 60 × (2r - 1)
dapet deh r = 8