Answer: 1.09 kg of flour
Step-by-step explanation:
Given
Adam uses 16.35 kg of flour to make 15 batches of scones
Using Unitary method
16.35 kg of flour can make 15 batches or
15 batches require 16.35 kg
1 batch require
[tex]\Rightarrow \dfrac{16.35}{15}=1.09\ kg\ \text{flour}[/tex]