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A motor pool mechanic needs to buy spark plugs. A single spark plug costs 3.00.Aboxofonedozensparkplugscosts3.00. A box of one dozen spark plugs costs 24.00. How much money is saved per spark plug by purchasing the box instead of buying them individually?

  1. $1.00Cevap
  2. B
    $2.00
  3. C
    $2.50
  4. D
    $12.00

Cevap

$1.00
Purchasing the box of one dozen means buying 12 spark plugs for 24.00,whichresultsinaunitpriceof24.00, which results in a unit price of 2.00 each (24.00÷12).Buyingthemindividuallycosts24.00 ÷ 12). Buying them individually costs 3.00 each. The difference per spark plug is 3.00−3.00 - 2.00 = $1.00.

Adım Adım Çözüm

1
Determine the total number of items in the box.
1 dozen = 12 spark plugs.
To find the cost of a single spark plug from the box, the total quantity is required.
2
Calculate the unit price of a spark plug from the box.
24.00÷12=24.00 ÷ 12 = 2.00 per spark plug.
Dividing the total cost by the quantity yields the price per individual item.
3
Calculate the savings per spark plug.
3.00−3.00 - 2.00 = $1.00.
Subtracting the bulk unit price from the individual unit price gives the savings per item.

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