The table below shows the ticket rates for whale watching trips offered by beluga fun tours:
age. ticket price
under 3 yrs. free
3 to 12 yrs. $34
over 12 yrs. $45
on a certain day, the company took 103 people on a whale watching trips. there were 64 children aged 12 and under, of which some children were under 3 years. if x represents the number of children under 3 years, which equation can be used to find the value x, where c represents the total amount of money collected from tickets that day?

a. (64-x)34+(103-64)×45=c
b. (103+x)34+(103-(64+x))×45=c
c. (103-x)34+(103-64)×45=c
d. (64+x)34+(103-(64+x))×45=c