GRE Question of the Day (December 4)

The increase in tuition per student from 1970 to 1980 was approximately how many times as great as the increase from 1960 to 1970 ?

A. \({2}\)

B. \({2 \frac{{1}}{{2}}}\)

C. \({3}\)

D. \({3 \frac{{1}}{{2}}}\)

E. \({4}\)