Answer:12 m
Step-by-step explanation:
Given
Width of garden 
Total fencing 
If Lulu has enough fencing to go around her rectangular garden then , it should be equal to perimeter of garden
Suppose L is the length of garden
Therefore perimeter is 



thus length of fencing is 
I can't really help you with the math but I can give you the formulas for the answers.
Answer:
a = 50 and b = 75
Step-by-step explanation: