Gina and Tina’s average grade is 23 points higher than Tina’s grade. What is the difference between their grades?
A. 23.
B. 46.
C. 16.
D. 11.5.
E. 15.
Gina and Tina’s average grade is 23 points higher than Tina’s grade. What is the difference between their grades?
A. 23.
B. 46.
C. 16.
D. 11.5.
E. 15.