Concept explainers
a.
To find:how much money was made by selling cupcakes and cookies.
a.
Answer to Problem 23E
Money was made by selling cupcakes and cookies is $65
Explanation of Solution
Given information: at a bake sale in a club, cookies cost $0.4 and cupcakes cost $0.65. The club sells 65 cookies and 60 cookies.
Calculation:
Number of cookies sold = 65
Cost of cookies = $0.4
Money made from sale of cookies,
Number of cupcakes sold = 60
Cost of cupcakes = $0.65
Money made from the sale of cupcakes,
Total money made by selling cookies and cupcakes,
Hence, money made by selling cookies and cupcakes is $65.
b.
To find: the percentage of money made came from sale of cookies.
b.
Answer to Problem 23E
Percentage of money was made by selling cookies is 40%
Explanation of Solution
Given information: at a bake sale in a club, cookies cost $0.4 and cupcakes cost $0.65. The club sells 65 cookies and 60 cookies.
total money made = $65
money made by selling cookies = $26
determine the percentage of money made by selling cookies, use percentage equation,
The percentage of money made by the sale of cookies is 40%.
c.
TO-DETERMINE: the percentage of cookies sold.
c.
Answer to Problem 23E
The percentage of cookies sold is 52%
Explanation of Solution
Given information: at a bake sale in a club, cookies cost $0.4 and cupcakes cost $0.65. The club sells 65 cookies and 60 cookies.
Calculation:
Total number of cookies and cupcakes sold,
60+65 = 125
determine the percentage of cookies sold, use percentage equation,
Hence, the percentage of cookies sold is 40%.
Chapter 7 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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