Answer: The amount of sugar needed to make 10 cakes = 93 g
Step-by-step explanation:
Given : 83.7g of sugar is needed to make 9 cakes.
The amount of sugar needed to make one cake =
The amount of sugar needed to make one cake = 9.3 g
Then , the amount of sugar needed to make 10 cakes = 
Hence, the amount of sugar needed to make 10 cakes = 93 g