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A cereal bar is sold individually for $2.40 or in packs of 4 for $8 per pack. Roxie wants to buy exactly 38 cereal bars. what is the least amount of money that Roxie can spend on cereal bars?

Verified Answer :

aerestotle

If Roxie were to buy the cereal bars individually, it would be
38 x $2.40 = $91.20
If she were to buy them in packs, she would need to buy 9 packs along with 2 individual bars (because there are 4 in each pack, 4x9=36 and adding 2 more would make it 38) 
9 x $8  = $72
2  x $2.40 = $4.80
$72 + $4.80 = $76.80

The least amount of money Roxie can spend is $76.80 by buying the cereal bars in packs.

zombielover

You would buy 9 packs of 4 bars so you would have 36 bars then you would buy 2 individuals bars to get you to 38 the least you would spend is $76.80

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