The ad reads,"$725 or best offer."if your offer of$580 is accepted, how much money will you save?

You saved $145
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If you had paid what the ad said, you would have ended up paying $725. However, you actually ended up paying $580.

To find how much you saved, you find the difference between how much you could have paid and how much you actually paid by subtracting $580 from $725:

Get 40 cups.u would say since the bowl and cups must be equal it would be 40