Answer:
27 degrees.
Step-by-step explanation:
If the average is to be 23 degrees over 5 days then the total of the temperatures will be 5*23 = 115 degrees.
The total over the first 4 days = 22*4 = 88 degrees, so the temperature on the fifth day has to be 115 - 88 = 27 degrees.
x=20
x ≤ 4
6x + 3 ≤ 27 subtract 3 both sides
6x ≤ 24 divide 6 both sides
x ≤ 4 There's your answer
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