1369. If this is what you are trying to find, hope this helps.
Answer:
420 ft^2
Step-by-step explanation:
12x70=840
840/2=420
$54.80 is the correct answer
Multiply dollars / unit * units. It is actually a useful thing to know. Many thing are done using the tools this question requires.
Steve takes home 308.56 dollars. The answer is B.