Answer:
8 3/4 degrees
Step-by-step explanation:
In 1 hour, the temperature drops 3 1/2 degrees.
In 2 1/2 hours, the temperature drops 2 1/2 times 3 1/2 degrees.
We need to multiply 2 1/2 by 3 1/2.
2 1/2 * 3 1/2 =
Change both mixed numerals into fractions.
= (2 + 1/2) * (3 + 1/2)
= (4/2 + 1/2) * (6/2 + 1/2)
= 5/2 * 7/2
= 35/4
= 8 3/4
Answer: The temperature change in 2 1/2 hours was 8 3/4 degrees.
