16) Virgil wants to buy a new mountain bike that costs $336. To earn money, he can either do
chores for his neighbor or do yardwork for his parents. He earns $32 for 4 hours of chores and he
earns $42 for 4 hours of yardwork. How much longer will it take him to earn the money if he only
does chores for his neighbor?
A) 6 hours
B) 10 hours
C) 12 hours
D) 15 hours