Answer:
225 packets
Step-by-step explanation:
Height of cubical box = 75cm
Dimension of rectangular packet = 25×15×5cm
Volume of cubical box = 75^3
Volume of cubical box = (75 * 75 * 75)cm³ = 421,875 cm³
Volume of rectangular packet = 25×15×5cm = 1875 cm³
Number of rectangular packets required /
421,875 cm³ / 1875 cm³
= 225
Number of packets required = 225 packets
