Fast ill give brainestthe temperature of a city changed by −20 degrees celsius over a 4-week period. the temperature changed by the same amount each week. part a: write an expression to show the average change in the temperature of the city each week. part b: simplify the expression and explain, using words, what your answer means.

make a graph and put the weeks and the change wich is -20 a day until the end of the four weeks

:every week 4 the city gets -20 degrees celsius colder. This means that every 4 weeks the tempature decreases then goes bac kto its origonal

4 weeks change = -20

1 week change = -5

If x is the temperature at the start of the week:

A: (4x-20)/4

B: Change per week = x-5 This means that the temperature goes down by 5 degrees per week, with x being the temperature at the start of the week.

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answer: 2530

hope this

x=6 and x=3

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