On June 17, the temperature in New York City
ranged from 90° to 99°, while the temperature
in Niagara Falls ranged from 60° to 69º. The
difference in the temperatures in these two cities
must be between

A. 20° and 30°
B. 20° and 40°
C. 25° and 35°
D. 30° and 40°

Q&A Education