rickyboswell56 rickyboswell56

30-05-2021
Mathematics

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8555cashio 8555cashio

30-05-2021

The answer is D 21t
For each day is an increase of 21

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jasongggg jasongggg

30-05-2021

Answer:

D

Step-by-step explanation:

Time is directly proportional to the Cost. And if you use the calculator you'll still get the answer by substituting the time into 21t

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