I dont know what benchmark means but <em />I hope this works<em>. </em>First, multiply 7 10ths by the denominator of 12. 7/10 *12= 84/120.
Then multiply 5 12ths by 10. 5/12 *10=50/120. So, 7/10 > 5/12
- Money earned =$300
- Money spent on supllies=$50
Profit =Money left after supplies


It would be (B) because 450+200x4=2620 fence posts