36 * 7 gives you the number of nails in the whole pounds
36 * 2/3 gives you the fraction part
7 * 36 = 252
2/3 * 36 = 24
Total nails = 252 + 24 = 276 nails
Answer: it is definitely c. y=3x+2
Step-by-step explanation: solve the first equation and then plug in