Question

In 2002, the temperature on the first day of summer was 81°F. This is 7°F less than it was on the first day of summer the previous year. What was the temperature on the first day of summer in 2001?
In 2001, the temperature was 88°F.
In 2001, the temperature was 98°F.
In 2001, the temperature was 87°F.
In 2001, the temperature was 74°F.