Word problem need help

Question

I need help the word problem starts like this Sarah wants to build a raised rectangular Garden on the side of her house she has a width of 5 feet she would like the raised garden to be 1 feet tall Sarah has a range of areas she would like the garden to be accommodated her plants write a formula that would be useful for Sarah to find the possible lengths of her garden giving her range of areas use the formula to calculate the length  if the area is 40 ft squared

Answer 1

A = l x w.  

 

If A = 40, and w = 5, then l can only be 8 because 8 x 5 = 40.