Answer:
The amount of reward that Sophia receives is 
Step-by-step explanation:
Let
x------> amount of reward that Sophia receives
y-----> amount of reward that Isabella receives
we know that

------> equation A
-----> equation B
Substitute equation A in equation B



Find the value of x

Not sure about the last question
Answer:
i dont know i am so sorry
Step-by-step explanation:
good luck with it though
Answer: I think the answer is 29/86.
Answer:
207 m²
Step-by-step explanation:
width = x
length = 3x - 4
2(length + width ) = Perimeter
2(3x - 4 + x) = 64
4x - 4 = 64/2
4x - 4 = 32
4x = 32 + 4
4x = 36
x = 9 m - width
length = 3x - 4 = 3 · 9 - 4 = 23 m
Area = length · width = 23 · 9 = 207 m²