Part A: What is the discount rate at the store closing?
A 90%
B. 60%
At a store closing, a universal discount rate is applied
to all items. The table shows the price for three items.
Total Price
Original Price Discount Price
(including sales
tax)
$22.50
$13.50
$14.31
$27.00
$16.20
$32.50
C. 25
D. 40%
O

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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step-by-step explanation:

14.29%

step-by-step explanation: