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15 January, 06:39

Vicki bought some items from the store. The table shows the store price for these items. 1. Potato salad = $2.25 per 1 1/2 pounds 2. Ham $2.00 per 1/2 pound 3. Cheese $0.60 per 1/4 pound 4. Turkey $3.50 per pound 5. Shrimp salad $5.50 per pound. Vicki spent between $18 and $20. Which combinations could she have purchased? Select all that apply. A. 4 pounds of turkey, 1 pound of ham, and 1/2 pound of shrimp salad B. 1 1/2 pounds of cheese, 2 pounds of ham, and 1 1/2 pounds of shrimp salad C. 3 1/2 pounds of potato salad, 3/4 pound of ham, 1 pound of cheese, and 2 pounds of turkey D. 2 pounds of shrimp salad, 1/2 pound of ham, 1 pound of turkey, and 2 pounds of potato salad

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  1. 15 January, 07:04
    0
    Potato salad=$2.25 / (1 1/2) = $2.25 / (1+0.5) = $2.25/1.5=$1.50 per pound

    Ham=$2.00 / (1/2) = $2.00/0.5=$4.00 per pound

    Cheese: $0.60 / (1/4) = $0.60/0.25=$2.40 per pound

    A. 4 pounds of turkey, 1 pound of ham, and 1/2 pound of shrimp salad

    1/2=0.5

    Total cost: T

    T=4 ($3.50) + 1 ($4.00) + 0.5 ($5.50) = $14.00+$4.00+$2.75→T=$20.75>$20 No

    B. 1 1/2 pounds of cheese, 2 pounds of ham, and 1 1/2 pounds of shrimp salad

    1 1/2=1+0.5=1.5

    Total cost: T

    T=1.5 ($2.40) + 2 ($4.00) + 1.5 ($5.50) = $3.60+$8.00+$8.25→T=$19.85

    $18.00<$19.85<$20.00 Ok

    C. 3 1/2 pounds of potato salad, 3/4 pound of ham, 1 pound of cheese, and 2 pounds of turkey

    3 1/2=3+0.5=3.5

    3/4=0.75

    Total cost: T

    T=3.5 ($1.50) + 0.75 ($4.00) + 1 ($2.40) + 2 ($3.50) = $5.25+$3.00+$2.40+$7.00→

    T=$17.65

    $18.00<$17.65<$20.00 Ok

    D. 2 pounds of shrimp salad, 1/2 pound of ham, 1 pound of turkey, and 2 pounds of potato salad

    1/2=0.5

    Total cost: T

    T=2 ($5.50) + 0.5 ($4.00) + 1 ($3.50) + 2 ($1.50) = $11.00+$2.00+$3.50+$3.00→

    T=$19.50

    $18.00<$19.50<$20.00 Ok

    Answer: S he could have purchased combinations B, C, or D
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