A California amusement park had an attendance of 14,730,000 in a year. A Florida amusement park had an attendance of 17,640,000 in a year.
Round each number to the nearest ten million.
What was the combined attendance at both amusement parks?
A.
30,000,000
B.
31,000,000
C.
33,000,000
D.
40,000,000