Item 8 Part A You go out to dinner and the bill comes to S 52 37 How much should

Question

Item 8 Part A You go out to dinner and the bill comes to S 52 37 How much should you tip if you want the tip tobe 20.0 % ofthe bill? Learning Goal: To convert among percentages, decimals, and fractions, and to use them in calculations Express the dollar amount to the nearest cent The word per means "divided by and the word cenf means 100. Thus, percent means "divided by 100.For example, 5 %can be written asthe fraction 5100, which is equal to the decimal 005 5% = percentll fractiondecimal Notice that the decimal point moves two places to the left when you divide a number by 100. It is important to realize3 that 5% of a value means 005times tat value. For example. Part B 5% of $25- × $25 = 0.05 × $25-$1.25 a college of exacty 2880 students, exactly 70 % are male, what is the number of female students? It may help to remember that the word "of tends to mean multiplication female st

Explanation / Answer

Part A:

20% of bill = (20 / 100) * 52.37 $ = 10.474 $

Part B:

70% of 2880 male = (70 /100) * 2880 = 2016 male

Remaining = 2880 - 2016 = 864 Female

Part C:

125 g seasoning contain 72 g salt

% mass of salt = (72 / 125 ) * 100 = 57.6 % salt by mass

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