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Grace examines two different size bottles of the same laundry detergent. The price for the 100 ounce bottle is 
$9.99 and the price for the 150 -ounce bottle is 
$12.99. How much money will Grace save per 100 ounces if she purchases the larger bottle?
Choose 1 answer:
(A) 
$0.01
(B) 
$1.33
(C) 
$2.00
(D) 
$8.66

Grace examines two different size bottles of the same laundry detergent. The price for the 100100 ounce bottle is $9.99\$9.99 and the price for the 150150-ounce bottle is $12.99\$12.99. How much money will Grace save per 100100 ounces if she purchases the larger bottle?\newlineChoose 11 answer:\newline(A) $0.01\$0.01\newline(B) $1.33\$1.33\newline(C) $2.00\$2.00\newline(D) $8.66\$8.66

Full solution

Q. Grace examines two different size bottles of the same laundry detergent. The price for the 100100 ounce bottle is $9.99\$9.99 and the price for the 150150-ounce bottle is $12.99\$12.99. How much money will Grace save per 100100 ounces if she purchases the larger bottle?\newlineChoose 11 answer:\newline(A) $0.01\$0.01\newline(B) $1.33\$1.33\newline(C) $2.00\$2.00\newline(D) $8.66\$8.66
  1. Calculate price per ounce: Calculate the price per ounce for the 100100-ounce bottle.\newlineTo find the price per ounce, divide the total price by the number of ounces.\newline$9.99/100\$9.99 / 100 ounces = $0.0999\$0.0999 per ounce.
  2. Calculate price per ounce: Calculate the price per ounce for the 150150-ounce bottle. Similarly, divide the total price by the number of ounces. $12.99/150\$12.99 / 150 ounces = $0.0866\$0.0866 per ounce.
  3. Calculate savings per ounce: Calculate the savings per ounce by subtracting the price per ounce of the larger bottle from the price per ounce of the smaller bottle.\newline$0.0999\$0.0999 per ounce - $0.0866\$0.0866 per ounce = $0.0133\$0.0133 per ounce.
  4. Calculate savings per 100100 ounces: Calculate the savings per 100100 ounces by multiplying the savings per ounce by 100100.$0.0133\$0.0133 per ounce * 100100 ounces = $1.33\$1.33 per 100100 ounces.

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