John has $305, and he is spending $3 each day. which algebraic expression describes this situation, where d represents the number of days?

The algebraic expression which describes this situation is:

It is given that:

John has $305, and he is spending $3 each day.

This means that : each day his saving are decreasing by $ 3

Hence, at the end of first day he will be left with:

At the end of the second day he will be left with:

Similarly at the end of the third day he will be left with:

Hence, for the d days he will have:

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