Mary has a coupon for 15% off at a department store. She wants to buy a humidifier that costs $129.95. Which of the following is closest to the amount Mary will save if she buys the humidifier and uses the coupon?

Rationale

Mary will save approximately $20.00 if she uses her coupon on the humidifier.

To calculate the savings, multiply the original price of the humidifier, $129.95, by the discount percentage of 15%. This results in a savings of about $19.49, which rounds to approximately $20.00.

A ($15.00) YOUR ANSWER

This choice underestimates the savings. Calculating 15% of $129.95 gives a result of $19.49, which is significantly higher than $15.00. Therefore, this option does not reflect the correct calculation of the discount.

B ($18.00) YOUR ANSWER

While closer than $15.00, this choice still falls short of the actual savings. The 15% discount on $129.95 is $19.49, which is again higher than $18.00, indicating that this option does not accurately represent the savings.

C ($20.00) CORRECT

This is the closest estimate to the calculated savings of $19.49. Rounding to the nearest dollar results in $20.00, making this choice the best representation of the savings Mary will achieve with her coupon.

D ($22.00) YOUR ANSWER

This option overestimates the discount amount. A 15% discount on $129.95 yields $19.49, which is notably less than $22.00. Thus, this choice does not reflect the correct calculation.

Conclusion

Mary's savings from using her 15% off coupon on a $129.95 humidifier calculates to approximately $19.49, rounding to about $20.00. The other choices either underestimate or overestimate her potential savings, making option C the most accurate reflection of her discount. This calculation is essential for understanding the value of coupons and making informed purchasing decisions.

Mary has a coupon for 15% off at a department store. She wants to buy a humidifier that costs $129.95. Which of the following is closest to the amount Mary will save if she buys the humidifier and uses the coupon?

Mary will save approximately $20.00 if she uses her coupon on the humidifier.

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