Bro I got no clue
..........
Answer:
12,354 leaves
Step-by-step explanation:
Leaves fallen from a maple tree =
= 
At the end of 7 weeks
= 384 + 384(1.5) + 384(1.5)² + 384(1.5)³ + 384(1.5)⁴ + 384(1.5)⁵ + 384(1.5)⁶
= 12,354 leaves
12,354 leaves fell from the tree.
That is the Community Property of Multiplication.
Hope that helps :)
X = 8.5 because 8.5 x 2 = 17 and 17 + 1 = 18