An aquarium is creating a display of a shark that has 100 teeth in each row. The aquarium can buy shark teeth for $10 each. How much will the aquarium spend on shark teeth to create the model?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

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