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4 years ago

14

Samantha saw 60 people.

1 answer:

Dmitry_Shevchenko [17]4 years ago

8 0

Answer:

0.3

Step-by-step explanation:

Total number of cases = 60.

favourable number of cases = 18. (Since 18 of them are wearing green shirt)

As we know probability of an event is given by ,

P = Favourable number of cases divided by Total number of cases

Thus here,

P = $\frac{18}{60}$

= $\frac{3}{10}$ or 0.3

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According to the information given, the system of inequalities that models the situation is given by:

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<h3>System of inequalities:</h3>

For the system, the variables are:

x is the number of hours that Pump 1 runs.

y is the number of hours that Pump 2 runs.

They will run for at least 18 hours in a day but obviously no more than 24 hours in a day, hence:

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Pump 1 can move 120 gallons per hour while Pump 2 can move 200 gallons per hour. In total the two pumps must move at least 3,000 gallons of water per day, hence:

$120x + 200y \geq 3000$

You can learn more about system of inequalities at brainly.com/question/14361489

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3 years ago

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Answer:

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3 years ago

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2 years ago

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