Problem Solving
试题详情
题目：
On a recent trip, Cindy drove her car 290 miles, rounded to the nearest 10 miles, and used 12 gallons of gasoline, rounded to the nearest gallon. The actual number of miles per gallon that Cindy's car got on this trip must have been between
选项:
A、
B、
C、
D、
E、
答案:
D
