Question

d. the current temperature is 54°f. it is expected to rise 2.5°f each hour. in how many hours will the temperature be 84°f?

Explanation:

Step1: Find temperature increase

$84 - 54=30^{\circ}F$

Step2: Calculate number of hours

Since it rises $2.5^{\circ}F$ per hour, $\frac{30}{2.5}=12$

Answer:

12