Question

The day starts at 72° F. By noon, it is 23° warmer. At 3:00 pm it is 14.5° hotter than

at noon. At 6:00 pm it is 7.5° cooler than at 3:00 pm. At dusk it is 11.5° cooler than it
was at 6:00 pm. What is the temperature at dusk?

Answer 1

90.5

Explanation:

72+23=95+14.5=109.5-7.5=102-11.5=90.5