The formula to calculate the number of 1kg bags of filler needed (B) is:
\[ B = \frac{L \times W \times H}{50000} \]
Where:
Bean bag filler consists of small plastic beads, typically made from polystyrene, used to fill bean bags. These fillers provide the necessary support and comfort by allowing the bean bag to conform to the shape of the person using it.
Let's consider an example:
Using the formula to calculate the number of 1kg bags needed:
\[ B = \frac{100 \times 80 \times 70}{50000} = 11.20 \, \text{bags} \]
This means that approximately 11.20 1kg bags of filler are needed to fill the bean bag.