William is 11 years old. One day, his grandparents took him and his younger brother to a basketball game. The tickets for the game were priced at $17 for adults (a) and $13 for children (13 years and younger) (c). What is the expression for the total cost of the tickets for William's family and what was
the total cost?
A a+c, $30
B. a 2c, S43
C. 2a + 2c, $60
D. 2a + c, $47