The circle graph shows the most important problems for the 15,153,805 high school teenagers in a country. Without using a calculator, estimate the number of high school teenagers for whom doing well in school is the most important problem.
Doing well in school is the most important problem for approximately how many of the high school teenagers?
A. 3,000,000
OB. 1,500,000
O G. 4,500,000
OD 6,000,000