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3 years ago

15

a DVD storage tower has eight shelves. Each shelf can display 12 DVDs. How many storage towers does a worker need to display 144

0 DVDs?

2 answers:

lapo4ka [179]3 years ago

8 0

We do 1440/12 to find out how many shelves we need which is 120 then we do 120/8 to see how many towers we need which is 15

Vikentia [17]3 years ago

7 0

120 i believe. 1440/12

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A company has 8 mechanics and 6 electricians. If an employee is selected at random, what is the probability that they are an ele

Andre45 [30]

Answer:

$Probability = \frac{3}{7}$

Step-by-step explanation:

Given

Electrician = 6

Mechanic = 8

Required

Determine the probability of selecting an electrician

First, we need the total number of employees;

$Total = n(Electrician) + n(Mechanic)$

$Total = 6 + 8$

$Total = 14$

Next, is to determine the required probability using the following formula;

$Probability = \frac{n(Electrician)}{Total}$

$Probability = \frac{6}{14}$

Divide numerator and denominator by 2

$Probability = \frac{3}{7}$

<em>Hence, the probability of selecting an electrician is 3/7</em>

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