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see explanation

Step-by-step explanation:

Note the ratios between consecutive terms is constant, that is

- 220 ÷ 11 = 4400 ÷ - 220 = - 88000 ÷ 4400 = - 20

Thus to obtain the next term in the sequence multiply the previous term by - 20

Start with 11 and multiply by - 20

$95.62

Step-by-step explanation:

15% of $112.50 = $16.875. round that to $16.88.

$112.50-$16.88=$95.62