15. The temperature on Monday was 14°C. On Tuesday the temperature

decreased by 5º. On Wednesday the temperature decreased another

10. On Thursday the temperature increased by 8º. What was the

temperature at the end of the day on Thursday?

7

Step-by-step explanation:

14-5 = 9

9-10 = - 1

-1 + 8 = 7

On Monday, the temp was 14 degrees Celsius. On Tuesday, it dropped 5 degrees. On Wednesday, it dropped another 10 degrees. On Thursday, it increased 8 degrees. On the end of the day on Thursday, the temperature was 7 degrees Celsius.

14 - 5 - 10 + 8 = 7.

Temperatures for each day:

Monday: 14 degrees.

Tuesday: 9 degrees.

Wednesday: - 1 degrees.

Thursday: 7 degrees.