Question

The temperature of a city changed by −20 degrees Celsius over a 4-week period. The temperature changed by the same amount each week.
Write an expression to show the average change in the temperature of the city each week.
Simplify the expression and explain, using words, what your answer means.

Answer 1

The temperature 34

The temperature on a maths exam day went down 2°C and then 3°C ending up as a final temperature of 27°C what was starting temperature?

Correct answer:

a =  32 °C

Step-by-step explanation:

b=27 °C

a−2−3=b

a=b+5=27+5=32°C

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https://www.hackmath.net/en/math-problem/73504