Respuesta :
Answer: The answer to your question is 4 ft
Step-by-step explanation: we know that the formula to find the area of a rectangle is
A=LW
In this problem, we have:
[tex]A= 30 ft^{2}[/tex]
[tex]L= 7.5ft[/tex]
Substitute the values and solve for W
30=7.5W
Divide by 7.5 on both sides
W= 30/ 7.5= 4ft