Penjelasan:
luas rumah = 5 m × 3 m = 15 m2 = 150.000 cm2
luas ubin = 30 cm × 30 cm = 900 cm2
banyak ubin = luas rumah / luas ubin
= 150.000/900
= 166,6666 = 167 ubin
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Penjelasan:
luas rumah = 5 m × 3 m = 15 m2 = 150.000 cm2
luas ubin = 30 cm × 30 cm = 900 cm2
banyak ubin = luas rumah / luas ubin
= 150.000/900
= 166,6666 = 167 ubin