Sales tax in Bergville!

Algebra Level 1

The sales tax rate in Bergville is 6%. During a sale at the Bergville Coat Closet, the price of a coat is discounted 20% from its $90.00 price. Two clerks, Jack and Jill, calculate the bill independently. Jack rings up $90.00 and adds 6% sales tax, then subtracts 20% from this total. Jill rings up $90.00, subtracts 20% of the price, then adds 6% of the discounted price for sales tax. What is Jack's total minus Jill's total?


The answer is 0.

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2 solutions

Mohammad Ayyad
Mar 8, 2014

jack and jill had the same total which is 76.32 so when we subtract them from each other we will get that they had the same total and our answer is 0

T M
Feb 25, 2014

The price Jacks rings up is (90.00)(1.06)(0.80). The price Jill rings up is (90.00)(0.80)(1.06). By the commutative property of multiplication, these quantities are the same, and the difference is $0.

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