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pete’s checking account showed a balance at the beginning of the month of $180. After 3 days the checking account showed a balance of $172.50. Write a linear equations to represent the total in the checking account f(x) according to the day x.

Respuesta :

Answer:

180- 172 =8 $ 8/3 =2.56


Step-by-step explanation:

Answer: The linear equation to represents the total in the checking account :

f(x) = $180-$2.5x

Step-by-step explanation:

Since we have given that

Amount showing at the beginning of the month = $180

After 3 days,

Balance shown in checking balance  = $172.50

So, difference in 3 days would be

[tex]\dfrac{180-172.5}{3}\\\\=\dfrac{7.5}{3}\\\\=\$2.5[/tex]

Hence, the linear equation to represents the total in the checking account :

f(x) = $180-$2.5x

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