Question: I am trying to solve this word problem by explaining how to solve it as if I am teaching it using an Algebra equation to

I am trying to solve this word problem by explaining how to solve it as if I am teaching it using an Algebra equation to do so. The question is as follows:

A bank teller has 54 $5 and $20 bills in her cash drawer. The value of the bills is $780.

How many $5 are there?

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