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Irina-Kira [14]
3 years ago
13

Help with number 3!!

Mathematics
2 answers:
WITCHER [35]3 years ago
5 0
The formula for the circumference of a circle is

C=π2r    where r=radius
plug in the data we know
C=π2*4.75
C=9.5π
C=30in

Answer=30in
marusya05 [52]3 years ago
3 0
The correct answer is B.30 inches
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Answer:

Total number of chairs in the restaurant = 160.

Step-by-step explanation:

Total number of tables in the restaurant = 50

It is given that 40% of the tables have 2 chairs at each table.

40% of 50 = \frac{40}{100} (50)

= 20

So, 20 tables have 2 chairs at each table.

Number of chairs required for 20 tables = 20 × 2 = 40

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So, 30 tables have 4 chairs at each table.

Number of chairs required for 30 tables = 30 × 4 = 120

Hence, total number of chairs in the restaurant = 40 + 120 = 160.

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