Question

1. temperature: the temperature dropped 10 degrees overnight to a chilly 45 degrees. what was the temperature yesterday?

Explanation:

Step1: Define variable for yesterday's temp

Let $T$ = yesterday's temperature.

Step2: Set up equation for temp drop

$T - 10 = 45$

Step3: Solve for T by adding 10

$T = 45 + 10$

Answer:

55 degrees