Let's assume the starting temperature of the day as "x" degrees.
The temperature increased by 8 degrees, so after the first increase, it becomes x + 8 degrees.
After the second increase of 4 degrees, the temperature becomes (x + 8) + 4 = x + 12 degrees.
Finally, at the end of the day, the temperature was 80 degrees, so x + 12 = 80 degrees.
Subtracting 12 from both sides of the equation gives us x = 80 - 12 = 68 degrees.
Therefore, the temperature at the start of the day was 68 degrees.
he temperature at the end of the day was 80 degrees. The temperature had increased twice during the day, once of 8 degrees and another time by 4 degrees.
What was the temperature at the start of the day?
1 answer