If Cathy receives all the discounts (30%, 20%, 10%, 15%, and an additional 20% Holiday Bonus Bucks discount, how much will she pay for the $90 sweater?

She will pay $30.8448.

Step-by-step explanation:

Consider the provided information.

The price of the sweater is $90.

She gets a discount of 30% it means she needs to pay only (100-30)%=70% of $90.

70% of $90 =

Now she gets a discount of 20% it means she needs to only 80% of $63.

If she gets a discount of 10% on $50.4 it means she needs to pay 90% of 50.4

If she gets a discount of 15% on 45.36 it means she needs to pay only 85% of 45.36

Now she gets an additional 20% holiday Bones Buck discount it means she needs to pay 80% of 38.556

Hence, she will pay $30.8448.

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