15 = 20
20 = x
perbandingan terbalik, didapat
15.20 = 20.x
Maka x = 15 hari
PERBANDINGAN BERBALIK NILAI
15 tukang = 20 hari
20 tukang = ... hari
15/20 = x/20
20x = 15 × 20
20x = 300
x = 300/20
x = 15 hari
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15 = 20
20 = x
perbandingan terbalik, didapat
15.20 = 20.x
Maka x = 15 hari
Penyelesaian :
PERBANDINGAN BERBALIK NILAI
15 tukang = 20 hari
20 tukang = ... hari
15/20 = x/20
20x = 15 × 20
20x = 300
x = 300/20
x = 15 hari