math/algebra
posted by bob, Please Help,ASAP!!!! .
the base of a rectangular prism has an area of 15.3 square inches and a volume of 185.13 cubic inches. write an equation that can be used to find the height of the prism, then find then height of the prism. Please help, asap!!!!

V = lwh
185.13 = 15.3h
185.13/15.3 = h
? = h 
please show me the mathimatical equation so I can set this up properly:
The area of a rectangular patio is 54 sq ft. Find the length and width of the patio (Hint: A=lw) 
3m 6m 5m

12.1