Jan went grocery shopping and only bought items which had been marked down. The items she bought, along with their prices, can be seen below. Item Final Price Markdown Chicken $8. 47 15% Milk $2. 16 20% Onions $0. 89 10% Potato chips $1. 45 12% Oranges $1. 36 25% Flour $4. 39 18% Compared to if she had bought no items on sale, by what percent was Jan’s total grocery bill discounted? Round to two decimal places. A. 15. 85% b. 16. 50% c. 16. 65% d. 17. 50%.

Percentage of a number is the part of the number expressed in the in every hundred. Percentage of a number is expressed with the symbol '%'.

Jan went grocery shopping and only bought items which had been marked down.

The items she bought, along with their prices, can be seen below.

Item Final Price Markdown
Chicken $8. 47 15%
Milk $2.16 20%
Onions $0. 89 10%
Potato chips $1. 45 12%
Oranges $1.36 25%
Flour $4. 39 18%

Total price of the items is $18.72. Now find out the original price using the above formula for each of the item. The sum of original price of all the items will be $22.46.

Thus, the discounted price will be,

[tex]P_d=\dfrac{18.72}{22.46}\times100\\P_d=83.35\%[/tex]

The overall markdown is,

[tex]\rm Markdown=100-18.35\\\rm Markdown=16.65\%[/tex]

Thus, the percent Jan’s total grocery bill discounted when she bought no items on sale is 16.65%.

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