Answer:
325 square inches
Step-by-step explanation:
Consider the attachment below for further reference. Ideally we would split this figure into parts, and solve as demonstrated by the attachment. I have labeled each rectangle as rectangle 1, rectangle 2, rectangle 3 etc. ;

<em>Hope that helps!</em>
Answer:
Step-by-step explanation:
48k+48=-3k-3
48k+45=-3k
-51k=-3
solving for k
.0588 or .059