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Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 10 -pack of Double Cheese Crisps for 
$7.80 or a 15 -pack of Cheddar Skins for 
$11.85. Which brand costs less per bag?
Double Cheese Crisps
Cheddar Skins

Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 1010 -pack of Double Cheese Crisps for $7.80 \$ 7.80 or a 1515 -pack of Cheddar Skins for $11.85 \$ 11.85 . Which brand costs less per bag?\newlineDouble Cheese Crisps\newlineCheddar Skins

Full solution

Q. Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 1010 -pack of Double Cheese Crisps for $7.80 \$ 7.80 or a 1515 -pack of Cheddar Skins for $11.85 \$ 11.85 . Which brand costs less per bag?\newlineDouble Cheese Crisps\newlineCheddar Skins
  1. Calculate Cost per Bag: Calculate the cost per bag for Double Cheese Crisps.\newline● Total cost for a 1010-pack of Double Cheese Crisps = $7.80\$7.80\newline● Number of bags in a 1010-pack = 1010\newlineFind the cost per bag for Double Cheese Crisps.\newlineCost per bag = Total cost for a 1010-pack ÷\div Number of bags in a 1010-pack\newlineCost per bag = $7.80÷10\$7.80 \div 10
  2. Perform Calculation: Perform the calculation for the cost per bag of Double Cheese Crisps.\newlineCost per bag = $7.80÷10=$0.78\$7.80 \div 10 = \$0.78 per bag
  3. Calculate Cost per Bag: Calculate the cost per bag for Cheddar Skins.\newline● Total cost for a 1515-pack of Cheddar Skins = $11.85\$11.85\newline● Number of bags in a 1515-pack = 1515\newlineFind the cost per bag for Cheddar Skins.\newlineCost per bag = Total cost for a 1515-pack ÷\div Number of bags in a 1515-pack\newlineCost per bag = $11.85÷15\$11.85 \div 15
  4. Perform Calculation: Perform the calculation for the cost per bag of Cheddar Skins.\newlineCost per bag = $11.85÷15=$0.79\$11.85 \div 15 = \$0.79 per bag
  5. Compare Cost per Bag: Compare the cost per bag of both brands to determine which one costs less.\newline● Cost per bag of Double Cheese Crisps = $0.78\$0.78\newline● Cost per bag of Cheddar Skins = $0.79\$0.79\newlineSince $0.78\$0.78 is less than $0.79\$0.79, Double Cheese Crisps cost less per bag than Cheddar Skins.

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