Answer:
She needs 18,731.6 Litres of paint to paint her bedroom.
Step-by-step explanation:
So,
V = l × w × h
V = 10.5 × 7 × 9 feet
V = 661.5 cubic feet
We know that,
So,
661.5 × 28.317 = 18,731.6 Litres
Thus, She needs 18,731.6 Litres of paint to paint her bedroom.