(n+7)2
= (n)(2) + (7)(2)
=2n+14
If Linda wants to know how much time students spend in the library, then she needs to how much people go. That means she needs to ask the first question, "How many hours per week do you read books in the library?".
The correct answer is: [C]: " $ 1.58 " .
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Explanation:
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Given:
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$18.99 per 340.23 grams ;
and given:
1 gram ≈ 0.03527 oz (ounces) ;
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Find the unit price per OUNCE (oz).
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Given: $18.99 per 340.23 grams ;
Convert: "340.23 grams" to "ounces (oz)".
Given: "1 gram ≈ 0.03527 oz" ;
340.23 grams = (340.23 * 0.03527) oz. = 11.9999121 (about "12 oz.").
So, $19 / 12 oz. = ? dollars per UNIT OZ. ; =
(19/12) dollars per oz. = (19÷12) dollars per oz. = $ 1.58333 ; which corresponds to: Answer choice: [C]: $1.58 .
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