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LenaWriter [7]
3 years ago
8

A company vehicle is available in black or blue.A random sample includes seven black vehicles and five blue vehicles.If there ar

e 300 vehicles then how many are blue
Mathematics
2 answers:
hram777 [196]3 years ago
8 0

Answer:

125 blue vehicles

Step-by-step explanation:

In this question, we are going to estimate the number of vehicles of a specific color given that there are some numbers of both vehicle models present in a sample.

Now to solve this question, we are going to treat the sample numbers as a ratio.

The ratio here is thus 7 black to 5 blue I.e 7:5

We have 300 vehicles, we now want to estimate the number of blue vehicles present.

From the sample ratio, there are a total of 12 vehicles

Now the total number of blue vehicles would be 5/12 * 300 = 125

There are 125 blue vehicles

baherus [9]3 years ago
7 0

Answer:

125

Step-by-step explanation:

Given that the company has only two colors of cars; black and blue. It means that the number of black cars plus the number of blue cars gives the number of cars owned by the company.

If there are seven black vehicles and five blue vehicles from a random check, this check must have been done on 12 vehicles. The number of blue cars based on the outcome of the random check on 12 cars will be

= 5/12 * 300

= 125 cars

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The answer to this question would be: 1 5/6

To change a decimal number into fraction, you need to divide the number on the right of decimal point with 1. In this case, the number is 0.83.
This number is hard since .83 doesn't have many factors. To find the answer you can try to multiply the decimal with some number until it close to 1(no decimal left)
0.83* 2= 1.66
0.83* 3= 2.49 ---> close to half, if you find this number, you can try to double it
0.83* 4= 3.32
0.83* 5= 4.15
0.83* 6= 4.98---> close to 1, that means there is high probability that the number can be divided by 6 
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4 0
3 years ago
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the sum of two numbers is 44. the smaller number is five-sixths of the larger number. what are the numbers?​
Sindrei [870]
X+y=44
x=5/6y

x+y=44
5/6y+y=44
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11y=264
y=24
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Answers: numbers are 20, 24
7 0
2 years ago
There are 60 apples and then add 59 apples two times . How many apples and there altogether
STALIN [3.7K]

Answer:

Step-by-step explanation:

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7 0
3 years ago
You earn three dollars an hour as a waitress after working three hours you earn 12 five and seven dollars in tips how much money
NikAS [45]

Answer:

The waitress earned a total of 33 dollars

Step-by-step explanation:

Step 1: Determine total earnings from wages;

Total earnings from wages=Earnings per hour×number of hours worked

where;

Earnings per hour=3 dollars an hour

Number of hours worked=3 hours

replacing;

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Step 2: Determine total earnings from tips

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Step 3: Calculate total money earned

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where;

Total earnings from tips=24 dollars

Total earnings from wages=9 dollars

replacing;

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The waitress earned a total of 33 dollars

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Answer:

i honestly dk but need help

Step-by-step explanation:

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