Robin purchased 3 1/2 ounces of whole wheat cereal for $1.40. What is the cost per ounce?
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Step-by-step explanation:
quantity of whole wheat cereal purchased = 3 1/2ounces
price for 3 1/2 ounces = $1.40
price for 1 ounce = 1.40/(3 1/2)
= 1.40*6/7 = $1.20 per ounce of whole wheat cereal.
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