Sam has received a $50 bond from his grandfather every year for his birthday. He has also
received three other $50 bonds as payment for work done at his grandfather's house. Sam's
twin brother Joel has also received a $50 bond on every birthday, but he has received only one
additional $50 bond for work done. If p is the twins' age, which expression best describes the
sum of the bonds they have received?
A 50p + 200
O
B
100p + 200
C 250p
OD 300p