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LenKa [72]
3 years ago
8

The cost of the meal was 50 she left a $9 tip what was the percent of the tip

Mathematics
2 answers:
Artemon [7]3 years ago
7 0

18% is the % of the tip

yawa3891 [41]3 years ago
6 0

if we take 50 to be the 100%, what is 9 off of it in percentage?


\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 50&100\\ 9&x \end{array}\implies \cfrac{50}{9}=\cfrac{100}{x}\implies x=\cfrac{9\cdot 100}{50}\implies x=18

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4 0
3 years ago
A used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 pe
masha68 [24]

Answer:

30 CDs and 10 Videos were sold.

Step-by-step explanation:

Given that a used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 per CD and 6.00 per video.

The sales for both CDs and videos totaled to 180.00.

Let CDs be x and Videos be y

Then we have x+y =3040

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multiply I equation by 4 and subtract from II.

2y = 20

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30 CDs and 10 Videos were sold.

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3 years ago
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Romashka [77]

Answer:

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Step-by-step explanation:

Mean:

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463 ÷ 5 = 92.5

92.5 to nearest tenth = 90

Mean = 90

Median:

<em>90, 90</em>, <u>93</u>, <em>94 ,96</em>

Median = 93

Mode

<em>96, </em><u>90</u><em>, 94, 93, </em><u>90</u><em> </em>

Mode = 90

Range:

96 - 90 = 6

Range = 6

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