Official Guide
The number of coronary-bypass operations performed in the United States increased from 13,000 in 1970 to 191,000 in 1983. What was the approximate percent increase in the number of coronary-bypass operations from 1970 to 1983?
A. 90%
B. 140%
C. 150%
D. 1,400%
E. 1,600%
OA D